Home / 403,432.60-604,930.20-137,085.16

Finding the Fourth Proportional to 403,432.60, 604,930.20 and 137,085.16

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Solution

The fourth proportional to 403,432.60, 604,930.20 and 137,085.16 is: 205,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,432.60 : 604,930.20 = 137,085.16 : x
  2. Step 2: Convert to fraction form
    403,432.60/604,930.20 = 137,085.16/x
  3. Step 3: Cross multiply
    403,432.60x = 604,930.20 × 137,085.16
  4. Step 4: Simplify right side
    403,432.60x = 82,926,953,255.83
  5. Step 5: Solve for x
    x = 82,926,953,255.83/403,432.60
  6. Step 6: Final answer
    x = 205,553.43

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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.