Home / 244,979.20-367,382.40-87,212.80

Finding the Fourth Proportional to 244,979.20, 367,382.40 and 87,212.80

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Solution

The fourth proportional to 244,979.20, 367,382.40 and 87,212.80 is: 130,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,979.20 : 367,382.40 = 87,212.80 : x
  2. Step 2: Convert to fraction form
    244,979.20/367,382.40 = 87,212.80/x
  3. Step 3: Cross multiply
    244,979.20x = 367,382.40 × 87,212.80
  4. Step 4: Simplify right side
    244,979.20x = 32,040,447,774.72
  5. Step 5: Solve for x
    x = 32,040,447,774.72/244,979.20
  6. Step 6: Final answer
    x = 130,788.44

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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.