Home / 406,876.04-561,466.44-225,577.38

Finding the Fourth Proportional to 406,876.04, 561,466.44 and 225,577.38

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Solution

The fourth proportional to 406,876.04, 561,466.44 and 225,577.38 is: 311,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,876.04 : 561,466.44 = 225,577.38 : x
  2. Step 2: Convert to fraction form
    406,876.04/561,466.44 = 225,577.38/x
  3. Step 3: Cross multiply
    406,876.04x = 561,466.44 × 225,577.38
  4. Step 4: Simplify right side
    406,876.04x = 126,654,128,493.13
  5. Step 5: Solve for x
    x = 126,654,128,493.13/406,876.04
  6. Step 6: Final answer
    x = 311,284.32

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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.