Home / 378,744.10-568,314.87-142,250.02

Finding the Fourth Proportional to 378,744.10, 568,314.87 and 142,250.02

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Solution

The fourth proportional to 378,744.10, 568,314.87 and 142,250.02 is: 213,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,744.10 : 568,314.87 = 142,250.02 : x
  2. Step 2: Convert to fraction form
    378,744.10/568,314.87 = 142,250.02/x
  3. Step 3: Cross multiply
    378,744.10x = 568,314.87 × 142,250.02
  4. Step 4: Simplify right side
    378,744.10x = 80,842,801,623.80
  5. Step 5: Solve for x
    x = 80,842,801,623.80/378,744.10
  6. Step 6: Final answer
    x = 213,449.67

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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.