Home / 399,169.48-598,849.90-132,932.30

Finding the Fourth Proportional to 399,169.48, 598,849.90 and 132,932.30

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Solution

The fourth proportional to 399,169.48, 598,849.90 and 132,932.30 is: 199,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,169.48 : 598,849.90 = 132,932.30 : x
  2. Step 2: Convert to fraction form
    399,169.48/598,849.90 = 132,932.30/x
  3. Step 3: Cross multiply
    399,169.48x = 598,849.90 × 132,932.30
  4. Step 4: Simplify right side
    399,169.48x = 79,606,494,561.77
  5. Step 5: Solve for x
    x = 79,606,494,561.77/399,169.48
  6. Step 6: Final answer
    x = 199,430.31

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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.