Home / 406,982.04-561,663.96-225,711.30

Finding the Fourth Proportional to 406,982.04, 561,663.96 and 225,711.30

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Solution

The fourth proportional to 406,982.04, 561,663.96 and 225,711.30 is: 311,497.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,982.04 : 561,663.96 = 225,711.30 : x
  2. Step 2: Convert to fraction form
    406,982.04/561,663.96 = 225,711.30/x
  3. Step 3: Cross multiply
    406,982.04x = 561,663.96 × 225,711.30
  4. Step 4: Simplify right side
    406,982.04x = 126,773,902,574.75
  5. Step 5: Solve for x
    x = 126,773,902,574.75/406,982.04
  6. Step 6: Final answer
    x = 311,497.54

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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.