Home / 494,113.59-741,182.67-139,125.20

Finding the Fourth Proportional to 494,113.59, 741,182.67 and 139,125.20

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Solution

The fourth proportional to 494,113.59, 741,182.67 and 139,125.20 is: 208,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,113.59 : 741,182.67 = 139,125.20 : x
  2. Step 2: Convert to fraction form
    494,113.59/741,182.67 = 139,125.20/x
  3. Step 3: Cross multiply
    494,113.59x = 741,182.67 × 139,125.20
  4. Step 4: Simplify right side
    494,113.59x = 103,117,183,494.37
  5. Step 5: Solve for x
    x = 103,117,183,494.37/494,113.59
  6. Step 6: Final answer
    x = 208,691.25

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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.