Home / 271,965.80-408,035.10-122,148.20

Finding the Fourth Proportional to 271,965.80, 408,035.10 and 122,148.20

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Solution

The fourth proportional to 271,965.80, 408,035.10 and 122,148.20 is: 183,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,965.80 : 408,035.10 = 122,148.20 : x
  2. Step 2: Convert to fraction form
    271,965.80/408,035.10 = 122,148.20/x
  3. Step 3: Cross multiply
    271,965.80x = 408,035.10 × 122,148.20
  4. Step 4: Simplify right side
    271,965.80x = 49,840,753,001.82
  5. Step 5: Solve for x
    x = 49,840,753,001.82/271,965.80
  6. Step 6: Final answer
    x = 183,261.10

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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.