Home / 215,680.20-323,520.30-162,803.40

Finding the Fourth Proportional to 215,680.20, 323,520.30 and 162,803.40

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Solution

The fourth proportional to 215,680.20, 323,520.30 and 162,803.40 is: 244,205.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,680.20 : 323,520.30 = 162,803.40 : x
  2. Step 2: Convert to fraction form
    215,680.20/323,520.30 = 162,803.40/x
  3. Step 3: Cross multiply
    215,680.20x = 323,520.30 × 162,803.40
  4. Step 4: Simplify right side
    215,680.20x = 52,670,204,809.02
  5. Step 5: Solve for x
    x = 52,670,204,809.02/215,680.20
  6. Step 6: Final answer
    x = 244,205.10

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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.