Home / 349,439.56-524,156.46-100,121.80

Finding the Fourth Proportional to 349,439.56, 524,156.46 and 100,121.80

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Solution

The fourth proportional to 349,439.56, 524,156.46 and 100,121.80 is: 150,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,439.56 : 524,156.46 = 100,121.80 : x
  2. Step 2: Convert to fraction form
    349,439.56/524,156.46 = 100,121.80/x
  3. Step 3: Cross multiply
    349,439.56x = 524,156.46 × 100,121.80
  4. Step 4: Simplify right side
    349,439.56x = 52,479,488,256.83
  5. Step 5: Solve for x
    x = 52,479,488,256.83/349,439.56
  6. Step 6: Final answer
    x = 150,181.87

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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.