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Finding the Fourth Proportional to 272,994.40, 409,491.60 and 202,135.60

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Solution

The fourth proportional to 272,994.40, 409,491.60 and 202,135.60 is: 303,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,994.40 : 409,491.60 = 202,135.60 : x
  2. Step 2: Convert to fraction form
    272,994.40/409,491.60 = 202,135.60/x
  3. Step 3: Cross multiply
    272,994.40x = 409,491.60 × 202,135.60
  4. Step 4: Simplify right side
    272,994.40x = 82,772,830,260.96
  5. Step 5: Solve for x
    x = 82,772,830,260.96/272,994.40
  6. Step 6: Final answer
    x = 303,203.40

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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.