Home / 349,272.09-523,535.07-199,189.20

Finding the Fourth Proportional to 349,272.09, 523,535.07 and 199,189.20

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Solution

The fourth proportional to 349,272.09, 523,535.07 and 199,189.20 is: 298,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,272.09 : 523,535.07 = 199,189.20 : x
  2. Step 2: Convert to fraction form
    349,272.09/523,535.07 = 199,189.20/x
  3. Step 3: Cross multiply
    349,272.09x = 523,535.07 × 199,189.20
  4. Step 4: Simplify right side
    349,272.09x = 104,282,531,765.24
  5. Step 5: Solve for x
    x = 104,282,531,765.24/349,272.09
  6. Step 6: Final answer
    x = 298,571.04

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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.