Home / 486,052.20-729,076.32-131,102.16

Finding the Fourth Proportional to 486,052.20, 729,076.32 and 131,102.16

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Solution

The fourth proportional to 486,052.20, 729,076.32 and 131,102.16 is: 196,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,052.20 : 729,076.32 = 131,102.16 : x
  2. Step 2: Convert to fraction form
    486,052.20/729,076.32 = 131,102.16/x
  3. Step 3: Cross multiply
    486,052.20x = 729,076.32 × 131,102.16
  4. Step 4: Simplify right side
    486,052.20x = 95,583,480,356.85
  5. Step 5: Solve for x
    x = 95,583,480,356.85/486,052.20
  6. Step 6: Final answer
    x = 196,652.71

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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.