Home / 349,450.56-524,172.96-100,132.80

Finding the Fourth Proportional to 349,450.56, 524,172.96 and 100,132.80

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Solution

The fourth proportional to 349,450.56, 524,172.96 and 100,132.80 is: 150,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,450.56 : 524,172.96 = 100,132.80 : x
  2. Step 2: Convert to fraction form
    349,450.56/524,172.96 = 100,132.80/x
  3. Step 3: Cross multiply
    349,450.56x = 524,172.96 × 100,132.80
  4. Step 4: Simplify right side
    349,450.56x = 52,486,906,169.09
  5. Step 5: Solve for x
    x = 52,486,906,169.09/349,450.56
  6. Step 6: Final answer
    x = 150,198.37

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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.