Home / 345,116.58-517,760.73-274,306.38

Finding the Fourth Proportional to 345,116.58, 517,760.73 and 274,306.38

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Solution

The fourth proportional to 345,116.58, 517,760.73 and 274,306.38 is: 411,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,116.58 : 517,760.73 = 274,306.38 : x
  2. Step 2: Convert to fraction form
    345,116.58/517,760.73 = 274,306.38/x
  3. Step 3: Cross multiply
    345,116.58x = 517,760.73 × 274,306.38
  4. Step 4: Simplify right side
    345,116.58x = 142,025,071,552.46
  5. Step 5: Solve for x
    x = 142,025,071,552.46/345,116.58
  6. Step 6: Final answer
    x = 411,527.81

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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.