Home / 498,031.04-747,513.12-231,975.20

Finding the Fourth Proportional to 498,031.04, 747,513.12 and 231,975.20

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Solution

The fourth proportional to 498,031.04, 747,513.12 and 231,975.20 is: 348,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,031.04 : 747,513.12 = 231,975.20 : x
  2. Step 2: Convert to fraction form
    498,031.04/747,513.12 = 231,975.20/x
  3. Step 3: Cross multiply
    498,031.04x = 747,513.12 × 231,975.20
  4. Step 4: Simplify right side
    498,031.04x = 173,404,505,514.62
  5. Step 5: Solve for x
    x = 173,404,505,514.62/498,031.04
  6. Step 6: Final answer
    x = 348,180.12

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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.