Home / 274,926.57-412,359.42-72,543.21

Finding the Fourth Proportional to 274,926.57, 412,359.42 and 72,543.21

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Solution

The fourth proportional to 274,926.57, 412,359.42 and 72,543.21 is: 108,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,926.57 : 412,359.42 = 72,543.21 : x
  2. Step 2: Convert to fraction form
    274,926.57/412,359.42 = 72,543.21/x
  3. Step 3: Cross multiply
    274,926.57x = 412,359.42 × 72,543.21
  4. Step 4: Simplify right side
    274,926.57x = 29,913,874,726.23
  5. Step 5: Solve for x
    x = 29,913,874,726.23/274,926.57
  6. Step 6: Final answer
    x = 108,806.78

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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.