Home / 386,892.23-580,438.98-147,010.73

Finding the Fourth Proportional to 386,892.23, 580,438.98 and 147,010.73

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Solution

The fourth proportional to 386,892.23, 580,438.98 and 147,010.73 is: 220,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,892.23 : 580,438.98 = 147,010.73 : x
  2. Step 2: Convert to fraction form
    386,892.23/580,438.98 = 147,010.73/x
  3. Step 3: Cross multiply
    386,892.23x = 580,438.98 × 147,010.73
  4. Step 4: Simplify right side
    386,892.23x = 85,330,755,268.06
  5. Step 5: Solve for x
    x = 85,330,755,268.06/386,892.23
  6. Step 6: Final answer
    x = 220,554.33

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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.