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Finding the Fourth Proportional to 330,234.71, 495,195.92 and 127,925.57

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Solution

The fourth proportional to 330,234.71, 495,195.92 and 127,925.57 is: 191,827.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,234.71 : 495,195.92 = 127,925.57 : x
  2. Step 2: Convert to fraction form
    330,234.71/495,195.92 = 127,925.57/x
  3. Step 3: Cross multiply
    330,234.71x = 495,195.92 × 127,925.57
  4. Step 4: Simplify right side
    330,234.71x = 63,348,218,620.28
  5. Step 5: Solve for x
    x = 63,348,218,620.28/330,234.71
  6. Step 6: Final answer
    x = 191,827.86

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1.5x scale

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.