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Finding the Fourth Proportional to 259,102.65, 387,776.14 and 159,326.04

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Solution

The fourth proportional to 259,102.65, 387,776.14 and 159,326.04 is: 238,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,102.65 : 387,776.14 = 159,326.04 : x
  2. Step 2: Convert to fraction form
    259,102.65/387,776.14 = 159,326.04/x
  3. Step 3: Cross multiply
    259,102.65x = 387,776.14 × 159,326.04
  4. Step 4: Simplify right side
    259,102.65x = 61,782,836,394.37
  5. Step 5: Solve for x
    x = 61,782,836,394.37/259,102.65
  6. Step 6: Final answer
    x = 238,449.26

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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.