Home / 259,215.12-387,898.80-179,269.32

Finding the Fourth Proportional to 259,215.12, 387,898.80 and 179,269.32

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Solution

The fourth proportional to 259,215.12, 387,898.80 and 179,269.32 is: 268,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,215.12 : 387,898.80 = 179,269.32 : x
  2. Step 2: Convert to fraction form
    259,215.12/387,898.80 = 179,269.32/x
  3. Step 3: Cross multiply
    259,215.12x = 387,898.80 × 179,269.32
  4. Step 4: Simplify right side
    259,215.12x = 69,538,354,104.82
  5. Step 5: Solve for x
    x = 69,538,354,104.82/259,215.12
  6. Step 6: Final answer
    x = 268,265.04

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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.