Home / 327,529.87-491,002.61-127,803.80

Finding the Fourth Proportional to 327,529.87, 491,002.61 and 127,803.80

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Solution

The fourth proportional to 327,529.87, 491,002.61 and 127,803.80 is: 191,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,529.87 : 491,002.61 = 127,803.80 : x
  2. Step 2: Convert to fraction form
    327,529.87/491,002.61 = 127,803.80/x
  3. Step 3: Cross multiply
    327,529.87x = 491,002.61 × 127,803.80
  4. Step 4: Simplify right side
    327,529.87x = 62,751,999,367.92
  5. Step 5: Solve for x
    x = 62,751,999,367.92/327,529.87
  6. Step 6: Final answer
    x = 191,591.68

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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.