Home / 499,069.53-748,381.95-143,999.19

Finding the Fourth Proportional to 499,069.53, 748,381.95 and 143,999.19

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Solution

The fourth proportional to 499,069.53, 748,381.95 and 143,999.19 is: 215,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,069.53 : 748,381.95 = 143,999.19 : x
  2. Step 2: Convert to fraction form
    499,069.53/748,381.95 = 143,999.19/x
  3. Step 3: Cross multiply
    499,069.53x = 748,381.95 × 143,999.19
  4. Step 4: Simplify right side
    499,069.53x = 107,766,394,610.62
  5. Step 5: Solve for x
    x = 107,766,394,610.62/499,069.53
  6. Step 6: Final answer
    x = 215,934.63

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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.