Home / 406,489.28-560,933.10-225,190.39

Finding the Fourth Proportional to 406,489.28, 560,933.10 and 225,190.39

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Solution

The fourth proportional to 406,489.28, 560,933.10 and 225,190.39 is: 310,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,489.28 : 560,933.10 = 225,190.39 : x
  2. Step 2: Convert to fraction form
    406,489.28/560,933.10 = 225,190.39/x
  3. Step 3: Cross multiply
    406,489.28x = 560,933.10 × 225,190.39
  4. Step 4: Simplify right side
    406,489.28x = 126,316,743,552.91
  5. Step 5: Solve for x
    x = 126,316,743,552.91/406,489.28
  6. Step 6: Final answer
    x = 310,750.50

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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.