Home / 349,453.56-524,177.46-100,135.80

Finding the Fourth Proportional to 349,453.56, 524,177.46 and 100,135.80

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Solution

The fourth proportional to 349,453.56, 524,177.46 and 100,135.80 is: 150,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,453.56 : 524,177.46 = 100,135.80 : x
  2. Step 2: Convert to fraction form
    349,453.56/524,177.46 = 100,135.80/x
  3. Step 3: Cross multiply
    349,453.56x = 524,177.46 × 100,135.80
  4. Step 4: Simplify right side
    349,453.56x = 52,488,929,299.07
  5. Step 5: Solve for x
    x = 52,488,929,299.07/349,453.56
  6. Step 6: Final answer
    x = 150,202.87

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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.