Home / 238,812.39-329,642.02-148,221.38

Finding the Fourth Proportional to 238,812.39, 329,642.02 and 148,221.38

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Solution

The fourth proportional to 238,812.39, 329,642.02 and 148,221.38 is: 204,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,812.39 : 329,642.02 = 148,221.38 : x
  2. Step 2: Convert to fraction form
    238,812.39/329,642.02 = 148,221.38/x
  3. Step 3: Cross multiply
    238,812.39x = 329,642.02 × 148,221.38
  4. Step 4: Simplify right side
    238,812.39x = 48,859,995,110.39
  5. Step 5: Solve for x
    x = 48,859,995,110.39/238,812.39
  6. Step 6: Final answer
    x = 204,595.73

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1.5x scale

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.