Home / 406,948.59-561,592.20-225,649.92

Finding the Fourth Proportional to 406,948.59, 561,592.20 and 225,649.92

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Solution

The fourth proportional to 406,948.59, 561,592.20 and 225,649.92 is: 311,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,948.59 : 561,592.20 = 225,649.92 : x
  2. Step 2: Convert to fraction form
    406,948.59/561,592.20 = 225,649.92/x
  3. Step 3: Cross multiply
    406,948.59x = 561,592.20 × 225,649.92
  4. Step 4: Simplify right side
    406,948.59x = 126,723,235,002.62
  5. Step 5: Solve for x
    x = 126,723,235,002.62/406,948.59
  6. Step 6: Final answer
    x = 311,398.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.