Home / 349,440.56-524,157.96-100,122.80

Finding the Fourth Proportional to 349,440.56, 524,157.96 and 100,122.80

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Solution

The fourth proportional to 349,440.56, 524,157.96 and 100,122.80 is: 150,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,440.56 : 524,157.96 = 100,122.80 : x
  2. Step 2: Convert to fraction form
    349,440.56/524,157.96 = 100,122.80/x
  3. Step 3: Cross multiply
    349,440.56x = 524,157.96 × 100,122.80
  4. Step 4: Simplify right side
    349,440.56x = 52,480,162,597.49
  5. Step 5: Solve for x
    x = 52,480,162,597.49/349,440.56
  6. Step 6: Final answer
    x = 150,183.37

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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.