Home / 330,865.30-495,969.90-162,247.60

Finding the Fourth Proportional to 330,865.30, 495,969.90 and 162,247.60

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Solution

The fourth proportional to 330,865.30, 495,969.90 and 162,247.60 is: 243,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,865.30 : 495,969.90 = 162,247.60 : x
  2. Step 2: Convert to fraction form
    330,865.30/495,969.90 = 162,247.60/x
  3. Step 3: Cross multiply
    330,865.30x = 495,969.90 × 162,247.60
  4. Step 4: Simplify right side
    330,865.30x = 80,469,925,947.24
  5. Step 5: Solve for x
    x = 80,469,925,947.24/330,865.30
  6. Step 6: Final answer
    x = 243,210.53

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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.