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Finding the Fourth Proportional to 232,702.40, 349,312.80 and 127,726.40

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Solution

The fourth proportional to 232,702.40, 349,312.80 and 127,726.40 is: 191,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,702.40 : 349,312.80 = 127,726.40 : x
  2. Step 2: Convert to fraction form
    232,702.40/349,312.80 = 127,726.40/x
  3. Step 3: Cross multiply
    232,702.40x = 349,312.80 × 127,726.40
  4. Step 4: Simplify right side
    232,702.40x = 44,616,466,417.92
  5. Step 5: Solve for x
    x = 44,616,466,417.92/232,702.40
  6. Step 6: Final answer
    x = 191,731.87

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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.