Home / 259,106.03-387,781.20-159,329.42

Finding the Fourth Proportional to 259,106.03, 387,781.20 and 159,329.42

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Solution

The fourth proportional to 259,106.03, 387,781.20 and 159,329.42 is: 238,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,106.03 : 387,781.20 = 159,329.42 : x
  2. Step 2: Convert to fraction form
    259,106.03/387,781.20 = 159,329.42/x
  3. Step 3: Cross multiply
    259,106.03x = 387,781.20 × 159,329.42
  4. Step 4: Simplify right side
    259,106.03x = 61,784,951,744.00
  5. Step 5: Solve for x
    x = 61,784,951,744.00/259,106.03
  6. Step 6: Final answer
    x = 238,454.32

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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.