Home / 487,684.05-731,452.15-132,725.73

Finding the Fourth Proportional to 487,684.05, 731,452.15 and 132,725.73

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Solution

The fourth proportional to 487,684.05, 731,452.15 and 132,725.73 is: 199,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,684.05 : 731,452.15 = 132,725.73 : x
  2. Step 2: Convert to fraction form
    487,684.05/731,452.15 = 132,725.73/x
  3. Step 3: Cross multiply
    487,684.05x = 731,452.15 × 132,725.73
  4. Step 4: Simplify right side
    487,684.05x = 97,082,520,568.82
  5. Step 5: Solve for x
    x = 97,082,520,568.82/487,684.05
  6. Step 6: Final answer
    x = 199,068.48

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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.