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Finding the Fourth Proportional to 329,851.11, 454,913.24 and 253,555.05

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Solution

The fourth proportional to 329,851.11, 454,913.24 and 253,555.05 is: 349,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,851.11 : 454,913.24 = 253,555.05 : x
  2. Step 2: Convert to fraction form
    329,851.11/454,913.24 = 253,555.05/x
  3. Step 3: Cross multiply
    329,851.11x = 454,913.24 × 253,555.05
  4. Step 4: Simplify right side
    329,851.11x = 115,345,548,046.09
  5. Step 5: Solve for x
    x = 115,345,548,046.09/329,851.11
  6. Step 6: Final answer
    x = 349,689.74

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1.5x scale

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.