Home / 237,761.28-328,114.26-142,272

Finding the Fourth Proportional to 237,761.28, 328,114.26 and 142,272

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Solution

The fourth proportional to 237,761.28, 328,114.26 and 142,272 is: 196,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,761.28 : 328,114.26 = 142,272 : x
  2. Step 2: Convert to fraction form
    237,761.28/328,114.26 = 142,272/x
  3. Step 3: Cross multiply
    237,761.28x = 328,114.26 × 142,272
  4. Step 4: Simplify right side
    237,761.28x = 46,681,471,998.72
  5. Step 5: Solve for x
    x = 46,681,471,998.72/237,761.28
  6. Step 6: Final answer
    x = 196,337.57

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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.