Home / 302,822.75-454,234.17-81,206.75

Finding the Fourth Proportional to 302,822.75, 454,234.17 and 81,206.75

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Solution

The fourth proportional to 302,822.75, 454,234.17 and 81,206.75 is: 121,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,822.75 : 454,234.17 = 81,206.75 : x
  2. Step 2: Convert to fraction form
    302,822.75/454,234.17 = 81,206.75/x
  3. Step 3: Cross multiply
    302,822.75x = 454,234.17 × 81,206.75
  4. Step 4: Simplify right side
    302,822.75x = 36,886,880,684.65
  5. Step 5: Solve for x
    x = 36,886,880,684.65/302,822.75
  6. Step 6: Final answer
    x = 121,810.14

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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.