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Finding the Fourth Proportional to 232,680.52, 349,020.76 and 66,468.52

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Solution

The fourth proportional to 232,680.52, 349,020.76 and 66,468.52 is: 99,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,680.52 : 349,020.76 = 66,468.52 : x
  2. Step 2: Convert to fraction form
    232,680.52/349,020.76 = 66,468.52/x
  3. Step 3: Cross multiply
    232,680.52x = 349,020.76 × 66,468.52
  4. Step 4: Simplify right side
    232,680.52x = 23,198,893,366.48
  5. Step 5: Solve for x
    x = 23,198,893,366.48/232,680.52
  6. Step 6: Final answer
    x = 99,702.77

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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.