Home / 330,229.05-495,302.22-105,570.85

Finding the Fourth Proportional to 330,229.05, 495,302.22 and 105,570.85

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Solution

The fourth proportional to 330,229.05, 495,302.22 and 105,570.85 is: 158,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,229.05 : 495,302.22 = 105,570.85 : x
  2. Step 2: Convert to fraction form
    330,229.05/495,302.22 = 105,570.85/x
  3. Step 3: Cross multiply
    330,229.05x = 495,302.22 × 105,570.85
  4. Step 4: Simplify right side
    330,229.05x = 52,289,475,134.03
  5. Step 5: Solve for x
    x = 52,289,475,134.03/330,229.05
  6. Step 6: Final answer
    x = 158,343.05

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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.