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Finding the Fourth Proportional to 485,850.52, 728,754.84 and 166,030.96

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Solution

The fourth proportional to 485,850.52, 728,754.84 and 166,030.96 is: 249,039.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,850.52 : 728,754.84 = 166,030.96 : x
  2. Step 2: Convert to fraction form
    485,850.52/728,754.84 = 166,030.96/x
  3. Step 3: Cross multiply
    485,850.52x = 728,754.84 × 166,030.96
  4. Step 4: Simplify right side
    485,850.52x = 120,995,865,689.85
  5. Step 5: Solve for x
    x = 120,995,865,689.85/485,850.52
  6. Step 6: Final answer
    x = 249,039.28

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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.