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Finding the Fourth Proportional to 269,958.30, 404,937.45 and 217,470.30

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Solution

The fourth proportional to 269,958.30, 404,937.45 and 217,470.30 is: 326,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,958.30 : 404,937.45 = 217,470.30 : x
  2. Step 2: Convert to fraction form
    269,958.30/404,937.45 = 217,470.30/x
  3. Step 3: Cross multiply
    269,958.30x = 404,937.45 × 217,470.30
  4. Step 4: Simplify right side
    269,958.30x = 88,061,868,732.74
  5. Step 5: Solve for x
    x = 88,061,868,732.74/269,958.30
  6. Step 6: Final answer
    x = 326,205.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.