Home / 330,831.24-496,246.86-143,842.76

Finding the Fourth Proportional to 330,831.24, 496,246.86 and 143,842.76

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Solution

The fourth proportional to 330,831.24, 496,246.86 and 143,842.76 is: 215,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,831.24 : 496,246.86 = 143,842.76 : x
  2. Step 2: Convert to fraction form
    330,831.24/496,246.86 = 143,842.76/x
  3. Step 3: Cross multiply
    330,831.24x = 496,246.86 × 143,842.76
  4. Step 4: Simplify right side
    330,831.24x = 71,381,517,983.73
  5. Step 5: Solve for x
    x = 71,381,517,983.73/330,831.24
  6. Step 6: Final answer
    x = 215,764.14

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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.