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Finding the Fourth Proportional to 439,850.88, 659,841.12 and 159,302.52

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Solution

The fourth proportional to 439,850.88, 659,841.12 and 159,302.52 is: 238,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,850.88 : 659,841.12 = 159,302.52 : x
  2. Step 2: Convert to fraction form
    439,850.88/659,841.12 = 159,302.52/x
  3. Step 3: Cross multiply
    439,850.88x = 659,841.12 × 159,302.52
  4. Step 4: Simplify right side
    439,850.88x = 105,114,353,215.62
  5. Step 5: Solve for x
    x = 105,114,353,215.62/439,850.88
  6. Step 6: Final answer
    x = 238,977.25

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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.