Home / 399,189.27-598,562.34-132,804.36

Finding the Fourth Proportional to 399,189.27, 598,562.34 and 132,804.36

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Solution

The fourth proportional to 399,189.27, 598,562.34 and 132,804.36 is: 199,132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,189.27 : 598,562.34 = 132,804.36 : x
  2. Step 2: Convert to fraction form
    399,189.27/598,562.34 = 132,804.36/x
  3. Step 3: Cross multiply
    399,189.27x = 598,562.34 × 132,804.36
  4. Step 4: Simplify right side
    399,189.27x = 79,491,688,483.80
  5. Step 5: Solve for x
    x = 79,491,688,483.80/399,189.27
  6. Step 6: Final answer
    x = 199,132.83

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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.