Home / 315,127.50-472,691.25-93,511.50

Finding the Fourth Proportional to 315,127.50, 472,691.25 and 93,511.50

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Solution

The fourth proportional to 315,127.50, 472,691.25 and 93,511.50 is: 140,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,127.50 : 472,691.25 = 93,511.50 : x
  2. Step 2: Convert to fraction form
    315,127.50/472,691.25 = 93,511.50/x
  3. Step 3: Cross multiply
    315,127.50x = 472,691.25 × 93,511.50
  4. Step 4: Simplify right side
    315,127.50x = 44,202,067,824.38
  5. Step 5: Solve for x
    x = 44,202,067,824.38/315,127.50
  6. Step 6: Final answer
    x = 140,267.25

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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.