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Finding the Fourth Proportional to 330,799.34, 495,974.46 and 168,294

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Solution

The fourth proportional to 330,799.34, 495,974.46 and 168,294 is: 252,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,799.34 : 495,974.46 = 168,294 : x
  2. Step 2: Convert to fraction form
    330,799.34/495,974.46 = 168,294/x
  3. Step 3: Cross multiply
    330,799.34x = 495,974.46 × 168,294
  4. Step 4: Simplify right side
    330,799.34x = 83,469,525,771.24
  5. Step 5: Solve for x
    x = 83,469,525,771.24/330,799.34
  6. Step 6: Final answer
    x = 252,326.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.