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Finding the Fourth Proportional to 347,425.97, 479,407.55 and 194,472.72

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Solution

The fourth proportional to 347,425.97, 479,407.55 and 194,472.72 is: 268,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,425.97 : 479,407.55 = 194,472.72 : x
  2. Step 2: Convert to fraction form
    347,425.97/479,407.55 = 194,472.72/x
  3. Step 3: Cross multiply
    347,425.97x = 479,407.55 × 194,472.72
  4. Step 4: Simplify right side
    347,425.97x = 93,231,689,264.67
  5. Step 5: Solve for x
    x = 93,231,689,264.67/347,425.97
  6. Step 6: Final answer
    x = 268,349.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.