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Finding the Fourth Proportional to 347,480.62, 479,472.24 and 194,510.86

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Solution

The fourth proportional to 347,480.62, 479,472.24 and 194,510.86 is: 268,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,480.62 : 479,472.24 = 194,510.86 : x
  2. Step 2: Convert to fraction form
    347,480.62/479,472.24 = 194,510.86/x
  3. Step 3: Cross multiply
    347,480.62x = 479,472.24 × 194,510.86
  4. Step 4: Simplify right side
    347,480.62x = 93,262,557,748.53
  5. Step 5: Solve for x
    x = 93,262,557,748.53/347,480.62
  6. Step 6: Final answer
    x = 268,396.43

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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.