Home / 330,348.20-495,522.30-272,028.20

Finding the Fourth Proportional to 330,348.20, 495,522.30 and 272,028.20

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Solution

The fourth proportional to 330,348.20, 495,522.30 and 272,028.20 is: 408,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,348.20 : 495,522.30 = 272,028.20 : x
  2. Step 2: Convert to fraction form
    330,348.20/495,522.30 = 272,028.20/x
  3. Step 3: Cross multiply
    330,348.20x = 495,522.30 × 272,028.20
  4. Step 4: Simplify right side
    330,348.20x = 134,796,039,328.86
  5. Step 5: Solve for x
    x = 134,796,039,328.86/330,348.20
  6. Step 6: Final answer
    x = 408,042.30

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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.