Home / 399,306.12-598,759.38-132,973.80

Finding the Fourth Proportional to 399,306.12, 598,759.38 and 132,973.80

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Solution

The fourth proportional to 399,306.12, 598,759.38 and 132,973.80 is: 199,394.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,306.12 : 598,759.38 = 132,973.80 : x
  2. Step 2: Convert to fraction form
    399,306.12/598,759.38 = 132,973.80/x
  3. Step 3: Cross multiply
    399,306.12x = 598,759.38 × 132,973.80
  4. Step 4: Simplify right side
    399,306.12x = 79,619,310,044.24
  5. Step 5: Solve for x
    x = 79,619,310,044.24/399,306.12
  6. Step 6: Final answer
    x = 199,394.16

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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.