Home / 329,110.26-493,567.56-139,567.80

Finding the Fourth Proportional to 329,110.26, 493,567.56 and 139,567.80

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Solution

The fourth proportional to 329,110.26, 493,567.56 and 139,567.80 is: 209,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,110.26 : 493,567.56 = 139,567.80 : x
  2. Step 2: Convert to fraction form
    329,110.26/493,567.56 = 139,567.80/x
  3. Step 3: Cross multiply
    329,110.26x = 493,567.56 × 139,567.80
  4. Step 4: Simplify right side
    329,110.26x = 68,886,138,500.57
  5. Step 5: Solve for x
    x = 68,886,138,500.57/329,110.26
  6. Step 6: Final answer
    x = 209,310.21

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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.