Home / 406,619.00-561,135.53-225,333.91

Finding the Fourth Proportional to 406,619.00, 561,135.53 and 225,333.91

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Solution

The fourth proportional to 406,619.00, 561,135.53 and 225,333.91 is: 310,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,619.00 : 561,135.53 = 225,333.91 : x
  2. Step 2: Convert to fraction form
    406,619.00/561,135.53 = 225,333.91/x
  3. Step 3: Cross multiply
    406,619.00x = 561,135.53 × 225,333.91
  4. Step 4: Simplify right side
    406,619.00x = 126,442,864,279.58
  5. Step 5: Solve for x
    x = 126,442,864,279.58/406,619.00
  6. Step 6: Final answer
    x = 310,961.53

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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.