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Finding the Fourth Proportional to 437,863.60, 656,285.10 and 201,230.20

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Solution

The fourth proportional to 437,863.60, 656,285.10 and 201,230.20 is: 301,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,863.60 : 656,285.10 = 201,230.20 : x
  2. Step 2: Convert to fraction form
    437,863.60/656,285.10 = 201,230.20/x
  3. Step 3: Cross multiply
    437,863.60x = 656,285.10 × 201,230.20
  4. Step 4: Simplify right side
    437,863.60x = 132,064,381,930.02
  5. Step 5: Solve for x
    x = 132,064,381,930.02/437,863.60
  6. Step 6: Final answer
    x = 301,610.78

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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.