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Finding the Fourth Proportional to 244,687.20, 366,944.40 and 86,920.80

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Solution

The fourth proportional to 244,687.20, 366,944.40 and 86,920.80 is: 130,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,687.20 : 366,944.40 = 86,920.80 : x
  2. Step 2: Convert to fraction form
    244,687.20/366,944.40 = 86,920.80/x
  3. Step 3: Cross multiply
    244,687.20x = 366,944.40 × 86,920.80
  4. Step 4: Simplify right side
    244,687.20x = 31,895,100,803.52
  5. Step 5: Solve for x
    x = 31,895,100,803.52/244,687.20
  6. Step 6: Final answer
    x = 130,350.51

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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.