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Finding the Fourth Proportional to 338,732.79, 467,417.57 and 195,538.97

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Solution

The fourth proportional to 338,732.79, 467,417.57 and 195,538.97 is: 269,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,732.79 : 467,417.57 = 195,538.97 : x
  2. Step 2: Convert to fraction form
    338,732.79/467,417.57 = 195,538.97/x
  3. Step 3: Cross multiply
    338,732.79x = 467,417.57 × 195,538.97
  4. Step 4: Simplify right side
    338,732.79x = 91,398,346,882.92
  5. Step 5: Solve for x
    x = 91,398,346,882.92/338,732.79
  6. Step 6: Final answer
    x = 269,824.33

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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.