Home / 399,166.48-598,845.40-132,929.30

Finding the Fourth Proportional to 399,166.48, 598,845.40 and 132,929.30

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Solution

The fourth proportional to 399,166.48, 598,845.40 and 132,929.30 is: 199,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,166.48 : 598,845.40 = 132,929.30 : x
  2. Step 2: Convert to fraction form
    399,166.48/598,845.40 = 132,929.30/x
  3. Step 3: Cross multiply
    399,166.48x = 598,845.40 × 132,929.30
  4. Step 4: Simplify right side
    399,166.48x = 79,604,096,171.35
  5. Step 5: Solve for x
    x = 79,604,096,171.35/399,166.48
  6. Step 6: Final answer
    x = 199,425.81

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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.