Home / 269,059.24-402,966.78-259,728.04

Finding the Fourth Proportional to 269,059.24, 402,966.78 and 259,728.04

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Solution

The fourth proportional to 269,059.24, 402,966.78 and 259,728.04 is: 388,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,059.24 : 402,966.78 = 259,728.04 : x
  2. Step 2: Convert to fraction form
    269,059.24/402,966.78 = 259,728.04/x
  3. Step 3: Cross multiply
    269,059.24x = 402,966.78 × 259,728.04
  4. Step 4: Simplify right side
    269,059.24x = 104,661,771,954.51
  5. Step 5: Solve for x
    x = 104,661,771,954.51/269,059.24
  6. Step 6: Final answer
    x = 388,991.55

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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.