Home / 406,961.01-561,634.97-225,690.30

Finding the Fourth Proportional to 406,961.01, 561,634.97 and 225,690.30

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Solution

The fourth proportional to 406,961.01, 561,634.97 and 225,690.30 is: 311,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,961.01 : 561,634.97 = 225,690.30 : x
  2. Step 2: Convert to fraction form
    406,961.01/561,634.97 = 225,690.30/x
  3. Step 3: Cross multiply
    406,961.01x = 561,634.97 × 225,690.30
  4. Step 4: Simplify right side
    406,961.01x = 126,755,563,741.34
  5. Step 5: Solve for x
    x = 126,755,563,741.34/406,961.01
  6. Step 6: Final answer
    x = 311,468.57

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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.