Home / 437,229.40-655,781.80-137,702.18

Finding the Fourth Proportional to 437,229.40, 655,781.80 and 137,702.18

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Solution

The fourth proportional to 437,229.40, 655,781.80 and 137,702.18 is: 206,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,229.40 : 655,781.80 = 137,702.18 : x
  2. Step 2: Convert to fraction form
    437,229.40/655,781.80 = 137,702.18/x
  3. Step 3: Cross multiply
    437,229.40x = 655,781.80 × 137,702.18
  4. Step 4: Simplify right side
    437,229.40x = 90,302,582,775.81
  5. Step 5: Solve for x
    x = 90,302,582,775.81/437,229.40
  6. Step 6: Final answer
    x = 206,533.65

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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.