Home / 494,200.12-741,300.18-120,219.88

Finding the Fourth Proportional to 494,200.12, 741,300.18 and 120,219.88

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Solution

The fourth proportional to 494,200.12, 741,300.18 and 120,219.88 is: 180,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,200.12 : 741,300.18 = 120,219.88 : x
  2. Step 2: Convert to fraction form
    494,200.12/741,300.18 = 120,219.88/x
  3. Step 3: Cross multiply
    494,200.12x = 741,300.18 × 120,219.88
  4. Step 4: Simplify right side
    494,200.12x = 89,119,018,683.58
  5. Step 5: Solve for x
    x = 89,119,018,683.58/494,200.12
  6. Step 6: Final answer
    x = 180,329.82

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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.