Home / 349,723.20-524,584.80-100,372.80

Finding the Fourth Proportional to 349,723.20, 524,584.80 and 100,372.80

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Solution

The fourth proportional to 349,723.20, 524,584.80 and 100,372.80 is: 150,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,723.20 : 524,584.80 = 100,372.80 : x
  2. Step 2: Convert to fraction form
    349,723.20/524,584.80 = 100,372.80/x
  3. Step 3: Cross multiply
    349,723.20x = 524,584.80 × 100,372.80
  4. Step 4: Simplify right side
    349,723.20x = 52,654,045,213.44
  5. Step 5: Solve for x
    x = 52,654,045,213.44/349,723.20
  6. Step 6: Final answer
    x = 150,559.20

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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.