Home / 284,306.09-426,460.51-115,828.04

Finding the Fourth Proportional to 284,306.09, 426,460.51 and 115,828.04

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Solution

The fourth proportional to 284,306.09, 426,460.51 and 115,828.04 is: 173,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,306.09 : 426,460.51 = 115,828.04 : x
  2. Step 2: Convert to fraction form
    284,306.09/426,460.51 = 115,828.04/x
  3. Step 3: Cross multiply
    284,306.09x = 426,460.51 × 115,828.04
  4. Step 4: Simplify right side
    284,306.09x = 49,396,086,221.64
  5. Step 5: Solve for x
    x = 49,396,086,221.64/284,306.09
  6. Step 6: Final answer
    x = 173,742.63

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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.