Home / 283,764.20-425,912.04-143,621.24

Finding the Fourth Proportional to 283,764.20, 425,912.04 and 143,621.24

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Solution

The fourth proportional to 283,764.20, 425,912.04 and 143,621.24 is: 215,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,764.20 : 425,912.04 = 143,621.24 : x
  2. Step 2: Convert to fraction form
    283,764.20/425,912.04 = 143,621.24/x
  3. Step 3: Cross multiply
    283,764.20x = 425,912.04 × 143,621.24
  4. Step 4: Simplify right side
    283,764.20x = 61,170,013,186.17
  5. Step 5: Solve for x
    x = 61,170,013,186.17/283,764.20
  6. Step 6: Final answer
    x = 215,566.35

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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.