Home / 494,550.20-741,752.40-139,600.10

Finding the Fourth Proportional to 494,550.20, 741,752.40 and 139,600.10

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Solution

The fourth proportional to 494,550.20, 741,752.40 and 139,600.10 is: 209,379.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,550.20 : 741,752.40 = 139,600.10 : x
  2. Step 2: Convert to fraction form
    494,550.20/741,752.40 = 139,600.10/x
  3. Step 3: Cross multiply
    494,550.20x = 741,752.40 × 139,600.10
  4. Step 4: Simplify right side
    494,550.20x = 103,548,709,215.24
  5. Step 5: Solve for x
    x = 103,548,709,215.24/494,550.20
  6. Step 6: Final answer
    x = 209,379.57

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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.