Home / 259,008.20-388,565.00-109,249.02

Finding the Fourth Proportional to 259,008.20, 388,565.00 and 109,249.02

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Solution

The fourth proportional to 259,008.20, 388,565.00 and 109,249.02 is: 163,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,008.20 : 388,565.00 = 109,249.02 : x
  2. Step 2: Convert to fraction form
    259,008.20/388,565.00 = 109,249.02/x
  3. Step 3: Cross multiply
    259,008.20x = 388,565.00 × 109,249.02
  4. Step 4: Simplify right side
    259,008.20x = 42,450,345,319.74
  5. Step 5: Solve for x
    x = 42,450,345,319.74/259,008.20
  6. Step 6: Final answer
    x = 163,895.76

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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.