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Finding the Fourth Proportional to 333,011.80, 499,517.70 and 329,512.60

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Solution

The fourth proportional to 333,011.80, 499,517.70 and 329,512.60 is: 494,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,011.80 : 499,517.70 = 329,512.60 : x
  2. Step 2: Convert to fraction form
    333,011.80/499,517.70 = 329,512.60/x
  3. Step 3: Cross multiply
    333,011.80x = 499,517.70 × 329,512.60
  4. Step 4: Simplify right side
    333,011.80x = 164,597,376,073.02
  5. Step 5: Solve for x
    x = 164,597,376,073.02/333,011.80
  6. Step 6: Final answer
    x = 494,268.90

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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.