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Finding the Fourth Proportional to 557,358.20, 836,037.30 and 202,383.80

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Solution

The fourth proportional to 557,358.20, 836,037.30 and 202,383.80 is: 303,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,358.20 : 836,037.30 = 202,383.80 : x
  2. Step 2: Convert to fraction form
    557,358.20/836,037.30 = 202,383.80/x
  3. Step 3: Cross multiply
    557,358.20x = 836,037.30 × 202,383.80
  4. Step 4: Simplify right side
    557,358.20x = 169,200,405,715.74
  5. Step 5: Solve for x
    x = 169,200,405,715.74/557,358.20
  6. Step 6: Final answer
    x = 303,575.70

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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.