Home / 266,230.20-398,826.90-160,735.80

Finding the Fourth Proportional to 266,230.20, 398,826.90 and 160,735.80

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Solution

The fourth proportional to 266,230.20, 398,826.90 and 160,735.80 is: 240,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,230.20 : 398,826.90 = 160,735.80 : x
  2. Step 2: Convert to fraction form
    266,230.20/398,826.90 = 160,735.80/x
  3. Step 3: Cross multiply
    266,230.20x = 398,826.90 × 160,735.80
  4. Step 4: Simplify right side
    266,230.20x = 64,105,760,833.02
  5. Step 5: Solve for x
    x = 64,105,760,833.02/266,230.20
  6. Step 6: Final answer
    x = 240,790.72

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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.