Home / 330,082.20-495,043.56-152,418.36

Finding the Fourth Proportional to 330,082.20, 495,043.56 and 152,418.36

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Solution

The fourth proportional to 330,082.20, 495,043.56 and 152,418.36 is: 228,590.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,082.20 : 495,043.56 = 152,418.36 : x
  2. Step 2: Convert to fraction form
    330,082.20/495,043.56 = 152,418.36/x
  3. Step 3: Cross multiply
    330,082.20x = 495,043.56 × 152,418.36
  4. Step 4: Simplify right side
    330,082.20x = 75,453,727,543.76
  5. Step 5: Solve for x
    x = 75,453,727,543.76/330,082.20
  6. Step 6: Final answer
    x = 228,590.72

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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.