Home / 259,426.75-388,956.33-115,253.38

Finding the Fourth Proportional to 259,426.75, 388,956.33 and 115,253.38

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Solution

The fourth proportional to 259,426.75, 388,956.33 and 115,253.38 is: 172,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,426.75 : 388,956.33 = 115,253.38 : x
  2. Step 2: Convert to fraction form
    259,426.75/388,956.33 = 115,253.38/x
  3. Step 3: Cross multiply
    259,426.75x = 388,956.33 × 115,253.38
  4. Step 4: Simplify right side
    259,426.75x = 44,828,532,191.09
  5. Step 5: Solve for x
    x = 44,828,532,191.09/259,426.75
  6. Step 6: Final answer
    x = 172,798.42

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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.