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Finding the Fourth Proportional to 330,660.89, 495,597.56 and 230,277.59

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Solution

The fourth proportional to 330,660.89, 495,597.56 and 230,277.59 is: 345,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,660.89 : 495,597.56 = 230,277.59 : x
  2. Step 2: Convert to fraction form
    330,660.89/495,597.56 = 230,277.59/x
  3. Step 3: Cross multiply
    330,660.89x = 495,597.56 × 230,277.59
  4. Step 4: Simplify right side
    330,660.89x = 114,125,008,097.31
  5. Step 5: Solve for x
    x = 114,125,008,097.31/330,660.89
  6. Step 6: Final answer
    x = 345,142.15

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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.