Home / 406,731.96-561,323.70-225,500.73

Finding the Fourth Proportional to 406,731.96, 561,323.70 and 225,500.73

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Solution

The fourth proportional to 406,731.96, 561,323.70 and 225,500.73 is: 311,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,731.96 : 561,323.70 = 225,500.73 : x
  2. Step 2: Convert to fraction form
    406,731.96/561,323.70 = 225,500.73/x
  3. Step 3: Cross multiply
    406,731.96x = 561,323.70 × 225,500.73
  4. Step 4: Simplify right side
    406,731.96x = 126,578,904,116.30
  5. Step 5: Solve for x
    x = 126,578,904,116.30/406,731.96
  6. Step 6: Final answer
    x = 311,209.63

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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.