Home / 418,427.12-627,443.04-152,001.92

Finding the Fourth Proportional to 418,427.12, 627,443.04 and 152,001.92

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Solution

The fourth proportional to 418,427.12, 627,443.04 and 152,001.92 is: 227,931.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,427.12 : 627,443.04 = 152,001.92 : x
  2. Step 2: Convert to fraction form
    418,427.12/627,443.04 = 152,001.92/x
  3. Step 3: Cross multiply
    418,427.12x = 627,443.04 × 152,001.92
  4. Step 4: Simplify right side
    418,427.12x = 95,372,546,770.64
  5. Step 5: Solve for x
    x = 95,372,546,770.64/418,427.12
  6. Step 6: Final answer
    x = 227,931.08

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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.