Home / 324,516.66-486,821.13-99,895.83

Finding the Fourth Proportional to 324,516.66, 486,821.13 and 99,895.83

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Solution

The fourth proportional to 324,516.66, 486,821.13 and 99,895.83 is: 149,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,516.66 : 486,821.13 = 99,895.83 : x
  2. Step 2: Convert to fraction form
    324,516.66/486,821.13 = 99,895.83/x
  3. Step 3: Cross multiply
    324,516.66x = 486,821.13 × 99,895.83
  4. Step 4: Simplify right side
    324,516.66x = 48,631,400,842.89
  5. Step 5: Solve for x
    x = 48,631,400,842.89/324,516.66
  6. Step 6: Final answer
    x = 149,857.95

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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.