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Finding the Fourth Proportional to 462,000.56, 637,565.52 and 271,017.20

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Solution

The fourth proportional to 462,000.56, 637,565.52 and 271,017.20 is: 374,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,000.56 : 637,565.52 = 271,017.20 : x
  2. Step 2: Convert to fraction form
    462,000.56/637,565.52 = 271,017.20/x
  3. Step 3: Cross multiply
    462,000.56x = 637,565.52 × 271,017.20
  4. Step 4: Simplify right side
    462,000.56x = 172,791,222,046.94
  5. Step 5: Solve for x
    x = 172,791,222,046.94/462,000.56
  6. Step 6: Final answer
    x = 374,006.52

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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.