Home / 259,588.08-389,382.92-72,601.20

Finding the Fourth Proportional to 259,588.08, 389,382.92 and 72,601.20

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Solution

The fourth proportional to 259,588.08, 389,382.92 and 72,601.20 is: 108,902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,588.08 : 389,382.92 = 72,601.20 : x
  2. Step 2: Convert to fraction form
    259,588.08/389,382.92 = 72,601.20/x
  3. Step 3: Cross multiply
    259,588.08x = 389,382.92 × 72,601.20
  4. Step 4: Simplify right side
    259,588.08x = 28,269,667,251.50
  5. Step 5: Solve for x
    x = 28,269,667,251.50/259,588.08
  6. Step 6: Final answer
    x = 108,902.02

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1.5x scale

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.