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Finding the Fourth Proportional to 329,376.24, 454,245.84 and 256,797

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Solution

The fourth proportional to 329,376.24, 454,245.84 and 256,797 is: 354,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,376.24 : 454,245.84 = 256,797 : x
  2. Step 2: Convert to fraction form
    329,376.24/454,245.84 = 256,797/x
  3. Step 3: Cross multiply
    329,376.24x = 454,245.84 × 256,797
  4. Step 4: Simplify right side
    329,376.24x = 116,648,968,974.48
  5. Step 5: Solve for x
    x = 116,648,968,974.48/329,376.24
  6. Step 6: Final answer
    x = 354,151.13

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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.