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Finding the Fourth Proportional to 330,179.30, 495,123.15 and 130,433.30

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Solution

The fourth proportional to 330,179.30, 495,123.15 and 130,433.30 is: 195,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,179.30 : 495,123.15 = 130,433.30 : x
  2. Step 2: Convert to fraction form
    330,179.30/495,123.15 = 130,433.30/x
  3. Step 3: Cross multiply
    330,179.30x = 495,123.15 × 130,433.30
  4. Step 4: Simplify right side
    330,179.30x = 64,580,546,360.90
  5. Step 5: Solve for x
    x = 64,580,546,360.90/330,179.30
  6. Step 6: Final answer
    x = 195,592.35

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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.