Home / 439,032.56-658,480.19-139,473.90

Finding the Fourth Proportional to 439,032.56, 658,480.19 and 139,473.90

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Solution

The fourth proportional to 439,032.56, 658,480.19 and 139,473.90 is: 209,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,032.56 : 658,480.19 = 139,473.90 : x
  2. Step 2: Convert to fraction form
    439,032.56/658,480.19 = 139,473.90/x
  3. Step 3: Cross multiply
    439,032.56x = 658,480.19 × 139,473.90
  4. Step 4: Simplify right side
    439,032.56x = 91,840,799,474.67
  5. Step 5: Solve for x
    x = 91,840,799,474.67/439,032.56
  6. Step 6: Final answer
    x = 209,189.04

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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.