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Finding the Fourth Proportional to 259,244.68, 388,926.06 and 90,773.32

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Solution

The fourth proportional to 259,244.68, 388,926.06 and 90,773.32 is: 136,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,244.68 : 388,926.06 = 90,773.32 : x
  2. Step 2: Convert to fraction form
    259,244.68/388,926.06 = 90,773.32/x
  3. Step 3: Cross multiply
    259,244.68x = 388,926.06 × 90,773.32
  4. Step 4: Simplify right side
    259,244.68x = 35,304,109,700.72
  5. Step 5: Solve for x
    x = 35,304,109,700.72/259,244.68
  6. Step 6: Final answer
    x = 136,180.65

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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.