Home / 406,785.20-561,304.44-225,496.98

Finding the Fourth Proportional to 406,785.20, 561,304.44 and 225,496.98

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Solution

The fourth proportional to 406,785.20, 561,304.44 and 225,496.98 is: 311,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,785.20 : 561,304.44 = 225,496.98 : x
  2. Step 2: Convert to fraction form
    406,785.20/561,304.44 = 225,496.98/x
  3. Step 3: Cross multiply
    406,785.20x = 561,304.44 × 225,496.98
  4. Step 4: Simplify right side
    406,785.20x = 126,572,456,080.59
  5. Step 5: Solve for x
    x = 126,572,456,080.59/406,785.20
  6. Step 6: Final answer
    x = 311,153.05

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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.