Home / 406,385.49-560,787.26-225,086.64

Finding the Fourth Proportional to 406,385.49, 560,787.26 and 225,086.64

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Solution

The fourth proportional to 406,385.49, 560,787.26 and 225,086.64 is: 310,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,385.49 : 560,787.26 = 225,086.64 : x
  2. Step 2: Convert to fraction form
    406,385.49/560,787.26 = 225,086.64/x
  3. Step 3: Cross multiply
    406,385.49x = 560,787.26 × 225,086.64
  4. Step 4: Simplify right side
    406,385.49x = 126,225,718,982.77
  5. Step 5: Solve for x
    x = 126,225,718,982.77/406,385.49
  6. Step 6: Final answer
    x = 310,605.87

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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.