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Finding the Fourth Proportional to 271,761.68, 407,616.60 and 166,526.48

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Solution

The fourth proportional to 271,761.68, 407,616.60 and 166,526.48 is: 249,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,761.68 : 407,616.60 = 166,526.48 : x
  2. Step 2: Convert to fraction form
    271,761.68/407,616.60 = 166,526.48/x
  3. Step 3: Cross multiply
    271,761.68x = 407,616.60 × 166,526.48
  4. Step 4: Simplify right side
    271,761.68x = 67,878,957,587.57
  5. Step 5: Solve for x
    x = 67,878,957,587.57/271,761.68
  6. Step 6: Final answer
    x = 249,773.84

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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.