Home / 284,854.20-393,034.59-170,112.03

Finding the Fourth Proportional to 284,854.20, 393,034.59 and 170,112.03

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Solution

The fourth proportional to 284,854.20, 393,034.59 and 170,112.03 is: 234,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,854.20 : 393,034.59 = 170,112.03 : x
  2. Step 2: Convert to fraction form
    284,854.20/393,034.59 = 170,112.03/x
  3. Step 3: Cross multiply
    284,854.20x = 393,034.59 × 170,112.03
  4. Step 4: Simplify right side
    284,854.20x = 66,859,911,965.12
  5. Step 5: Solve for x
    x = 66,859,911,965.12/284,854.20
  6. Step 6: Final answer
    x = 234,716.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.