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Finding the Fourth Proportional to 545,635.26, 818,500.89 and 166,641.54

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Solution

The fourth proportional to 545,635.26, 818,500.89 and 166,641.54 is: 249,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,635.26 : 818,500.89 = 166,641.54 : x
  2. Step 2: Convert to fraction form
    545,635.26/818,500.89 = 166,641.54/x
  3. Step 3: Cross multiply
    545,635.26x = 818,500.89 × 166,641.54
  4. Step 4: Simplify right side
    545,635.26x = 136,396,248,800.97
  5. Step 5: Solve for x
    x = 136,396,248,800.97/545,635.26
  6. Step 6: Final answer
    x = 249,976.97

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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.