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Finding the Fourth Proportional to 488,401.80, 732,732.30 and 172,825.80

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Solution

The fourth proportional to 488,401.80, 732,732.30 and 172,825.80 is: 259,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,401.80 : 732,732.30 = 172,825.80 : x
  2. Step 2: Convert to fraction form
    488,401.80/732,732.30 = 172,825.80/x
  3. Step 3: Cross multiply
    488,401.80x = 732,732.30 × 172,825.80
  4. Step 4: Simplify right side
    488,401.80x = 126,635,045,933.34
  5. Step 5: Solve for x
    x = 126,635,045,933.34/488,401.80
  6. Step 6: Final answer
    x = 259,284.56

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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.