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Finding the Fourth Proportional to 557,360.70, 836,041.05 and 202,386.30

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Solution

The fourth proportional to 557,360.70, 836,041.05 and 202,386.30 is: 303,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,360.70 : 836,041.05 = 202,386.30 : x
  2. Step 2: Convert to fraction form
    557,360.70/836,041.05 = 202,386.30/x
  3. Step 3: Cross multiply
    557,360.70x = 836,041.05 × 202,386.30
  4. Step 4: Simplify right side
    557,360.70x = 169,203,254,757.62
  5. Step 5: Solve for x
    x = 169,203,254,757.62/557,360.70
  6. Step 6: Final answer
    x = 303,579.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.