Home / 437,440.57-656,098.54-137,882.20

Finding the Fourth Proportional to 437,440.57, 656,098.54 and 137,882.20

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Solution

The fourth proportional to 437,440.57, 656,098.54 and 137,882.20 is: 206,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,440.57 : 656,098.54 = 137,882.20 : x
  2. Step 2: Convert to fraction form
    437,440.57/656,098.54 = 137,882.20/x
  3. Step 3: Cross multiply
    437,440.57x = 656,098.54 × 137,882.20
  4. Step 4: Simplify right side
    437,440.57x = 90,464,310,111.99
  5. Step 5: Solve for x
    x = 90,464,310,111.99/437,440.57
  6. Step 6: Final answer
    x = 206,803.66

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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.