Home / 284,191.93-426,131.16-115,669

Finding the Fourth Proportional to 284,191.93, 426,131.16 and 115,669

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Solution

The fourth proportional to 284,191.93, 426,131.16 and 115,669 is: 173,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,191.93 : 426,131.16 = 115,669 : x
  2. Step 2: Convert to fraction form
    284,191.93/426,131.16 = 115,669/x
  3. Step 3: Cross multiply
    284,191.93x = 426,131.16 × 115,669
  4. Step 4: Simplify right side
    284,191.93x = 49,290,165,146.04
  5. Step 5: Solve for x
    x = 49,290,165,146.04/284,191.93
  6. Step 6: Final answer
    x = 173,439.71

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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.