Home / 284,321.54-426,629.92-115,965.38

Finding the Fourth Proportional to 284,321.54, 426,629.92 and 115,965.38

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Solution

The fourth proportional to 284,321.54, 426,629.92 and 115,965.38 is: 174,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,321.54 : 426,629.92 = 115,965.38 : x
  2. Step 2: Convert to fraction form
    284,321.54/426,629.92 = 115,965.38/x
  3. Step 3: Cross multiply
    284,321.54x = 426,629.92 × 115,965.38
  4. Step 4: Simplify right side
    284,321.54x = 49,474,300,792.17
  5. Step 5: Solve for x
    x = 49,474,300,792.17/284,321.54
  6. Step 6: Final answer
    x = 174,008.28

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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.