Home / 451,242.78-676,864.17-229,782.30

Finding the Fourth Proportional to 451,242.78, 676,864.17 and 229,782.30

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Solution

The fourth proportional to 451,242.78, 676,864.17 and 229,782.30 is: 344,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,242.78 : 676,864.17 = 229,782.30 : x
  2. Step 2: Convert to fraction form
    451,242.78/676,864.17 = 229,782.30/x
  3. Step 3: Cross multiply
    451,242.78x = 676,864.17 × 229,782.30
  4. Step 4: Simplify right side
    451,242.78x = 155,531,405,770.19
  5. Step 5: Solve for x
    x = 155,531,405,770.19/451,242.78
  6. Step 6: Final answer
    x = 344,673.45

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.