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Finding the Fourth Proportional to 247,603.06, 371,158.54 and 147,613.42

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Solution

The fourth proportional to 247,603.06, 371,158.54 and 147,613.42 is: 221,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,603.06 : 371,158.54 = 147,613.42 : x
  2. Step 2: Convert to fraction form
    247,603.06/371,158.54 = 147,613.42/x
  3. Step 3: Cross multiply
    247,603.06x = 371,158.54 × 147,613.42
  4. Step 4: Simplify right side
    247,603.06x = 54,787,981,451.61
  5. Step 5: Solve for x
    x = 54,787,981,451.61/247,603.06
  6. Step 6: Final answer
    x = 221,273.44

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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.