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Finding the Fourth Proportional to 329,184.99, 454,471.05 and 208,429.78

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Solution

The fourth proportional to 329,184.99, 454,471.05 and 208,429.78 is: 287,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,184.99 : 454,471.05 = 208,429.78 : x
  2. Step 2: Convert to fraction form
    329,184.99/454,471.05 = 208,429.78/x
  3. Step 3: Cross multiply
    329,184.99x = 454,471.05 × 208,429.78
  4. Step 4: Simplify right side
    329,184.99x = 94,725,300,967.87
  5. Step 5: Solve for x
    x = 94,725,300,967.87/329,184.99
  6. Step 6: Final answer
    x = 287,757.05

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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.