Home / 494,566.20-741,776.40-139,616.10

Finding the Fourth Proportional to 494,566.20, 741,776.40 and 139,616.10

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Solution

The fourth proportional to 494,566.20, 741,776.40 and 139,616.10 is: 209,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,566.20 : 741,776.40 = 139,616.10 : x
  2. Step 2: Convert to fraction form
    494,566.20/741,776.40 = 139,616.10/x
  3. Step 3: Cross multiply
    494,566.20x = 741,776.40 × 139,616.10
  4. Step 4: Simplify right side
    494,566.20x = 103,563,928,040.04
  5. Step 5: Solve for x
    x = 103,563,928,040.04/494,566.20
  6. Step 6: Final answer
    x = 209,403.57

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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.