Home / 324,944.04-487,235-100,240.72

Finding the Fourth Proportional to 324,944.04, 487,235 and 100,240.72

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Solution

The fourth proportional to 324,944.04, 487,235 and 100,240.72 is: 150,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,944.04 : 487,235 = 100,240.72 : x
  2. Step 2: Convert to fraction form
    324,944.04/487,235 = 100,240.72/x
  3. Step 3: Cross multiply
    324,944.04x = 487,235 × 100,240.72
  4. Step 4: Simplify right side
    324,944.04x = 48,840,787,209.20
  5. Step 5: Solve for x
    x = 48,840,787,209.20/324,944.04
  6. Step 6: Final answer
    x = 150,305.23

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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.