Home / 329,418.20-454,255.26-281,829.08

Finding the Fourth Proportional to 329,418.20, 454,255.26 and 281,829.08

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Solution

The fourth proportional to 329,418.20, 454,255.26 and 281,829.08 is: 388,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,418.20 : 454,255.26 = 281,829.08 : x
  2. Step 2: Convert to fraction form
    329,418.20/454,255.26 = 281,829.08/x
  3. Step 3: Cross multiply
    329,418.20x = 454,255.26 × 281,829.08
  4. Step 4: Simplify right side
    329,418.20x = 128,022,342,010.96
  5. Step 5: Solve for x
    x = 128,022,342,010.96/329,418.20
  6. Step 6: Final answer
    x = 388,631.66

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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.