Home / 269,986.91-404,974.89-70,302.87

Finding the Fourth Proportional to 269,986.91, 404,974.89 and 70,302.87

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Solution

The fourth proportional to 269,986.91, 404,974.89 and 70,302.87 is: 105,452.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,986.91 : 404,974.89 = 70,302.87 : x
  2. Step 2: Convert to fraction form
    269,986.91/404,974.89 = 70,302.87/x
  3. Step 3: Cross multiply
    269,986.91x = 404,974.89 × 70,302.87
  4. Step 4: Simplify right side
    269,986.91x = 28,470,897,044.93
  5. Step 5: Solve for x
    x = 28,470,897,044.93/269,986.91
  6. Step 6: Final answer
    x = 105,452.88

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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.