Home / 494,516.70-741,702.15-139,566.60

Finding the Fourth Proportional to 494,516.70, 741,702.15 and 139,566.60

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Solution

The fourth proportional to 494,516.70, 741,702.15 and 139,566.60 is: 209,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,516.70 : 741,702.15 = 139,566.60 : x
  2. Step 2: Convert to fraction form
    494,516.70/741,702.15 = 139,566.60/x
  3. Step 3: Cross multiply
    494,516.70x = 741,702.15 × 139,566.60
  4. Step 4: Simplify right side
    494,516.70x = 103,516,847,288.19
  5. Step 5: Solve for x
    x = 103,516,847,288.19/494,516.70
  6. Step 6: Final answer
    x = 209,329.33

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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.