Home / 269,728.50-404,612.19-103,516.50

Finding the Fourth Proportional to 269,728.50, 404,612.19 and 103,516.50

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Solution

The fourth proportional to 269,728.50, 404,612.19 and 103,516.50 is: 155,282.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,728.50 : 404,612.19 = 103,516.50 : x
  2. Step 2: Convert to fraction form
    269,728.50/404,612.19 = 103,516.50/x
  3. Step 3: Cross multiply
    269,728.50x = 404,612.19 × 103,516.50
  4. Step 4: Simplify right side
    269,728.50x = 41,884,037,766.14
  5. Step 5: Solve for x
    x = 41,884,037,766.14/269,728.50
  6. Step 6: Final answer
    x = 155,282.21

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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.