Home / 276,796.17-382,073.04-172,102.05

Finding the Fourth Proportional to 276,796.17, 382,073.04 and 172,102.05

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Solution

The fourth proportional to 276,796.17, 382,073.04 and 172,102.05 is: 237,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,796.17 : 382,073.04 = 172,102.05 : x
  2. Step 2: Convert to fraction form
    276,796.17/382,073.04 = 172,102.05/x
  3. Step 3: Cross multiply
    276,796.17x = 382,073.04 × 172,102.05
  4. Step 4: Simplify right side
    276,796.17x = 65,755,553,433.73
  5. Step 5: Solve for x
    x = 65,755,553,433.73/276,796.17
  6. Step 6: Final answer
    x = 237,559.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.