Home / 437,145.12-655,827.03-137,613.60

Finding the Fourth Proportional to 437,145.12, 655,827.03 and 137,613.60

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Solution

The fourth proportional to 437,145.12, 655,827.03 and 137,613.60 is: 206,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,145.12 : 655,827.03 = 137,613.60 : x
  2. Step 2: Convert to fraction form
    437,145.12/655,827.03 = 137,613.60/x
  3. Step 3: Cross multiply
    437,145.12x = 655,827.03 × 137,613.60
  4. Step 4: Simplify right side
    437,145.12x = 90,250,718,575.61
  5. Step 5: Solve for x
    x = 90,250,718,575.61/437,145.12
  6. Step 6: Final answer
    x = 206,454.82

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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.