Home / 239,273.80-329,943.92-215,174.42

Finding the Fourth Proportional to 239,273.80, 329,943.92 and 215,174.42

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Solution

The fourth proportional to 239,273.80, 329,943.92 and 215,174.42 is: 296,712.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,273.80 : 329,943.92 = 215,174.42 : x
  2. Step 2: Convert to fraction form
    239,273.80/329,943.92 = 215,174.42/x
  3. Step 3: Cross multiply
    239,273.80x = 329,943.92 × 215,174.42
  4. Step 4: Simplify right side
    239,273.80x = 70,995,492,174.42
  5. Step 5: Solve for x
    x = 70,995,492,174.42/239,273.80
  6. Step 6: Final answer
    x = 296,712.36

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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.