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Finding the Fourth Proportional to 329,851.43, 454,913.67 and 253,555.37

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Solution

The fourth proportional to 329,851.43, 454,913.67 and 253,555.37 is: 349,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,851.43 : 454,913.67 = 253,555.37 : x
  2. Step 2: Convert to fraction form
    329,851.43/454,913.67 = 253,555.37/x
  3. Step 3: Cross multiply
    329,851.43x = 454,913.67 × 253,555.37
  4. Step 4: Simplify right side
    329,851.43x = 115,345,800,372.56
  5. Step 5: Solve for x
    x = 115,345,800,372.56/329,851.43
  6. Step 6: Final answer
    x = 349,690.17

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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.