Home / 284,330.28-426,643.08-115,974.12

Finding the Fourth Proportional to 284,330.28, 426,643.08 and 115,974.12

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Solution

The fourth proportional to 284,330.28, 426,643.08 and 115,974.12 is: 174,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,330.28 : 426,643.08 = 115,974.12 : x
  2. Step 2: Convert to fraction form
    284,330.28/426,643.08 = 115,974.12/x
  3. Step 3: Cross multiply
    284,330.28x = 426,643.08 × 115,974.12
  4. Step 4: Simplify right side
    284,330.28x = 49,479,555,757.09
  5. Step 5: Solve for x
    x = 49,479,555,757.09/284,330.28
  6. Step 6: Final answer
    x = 174,021.41

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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.