Home / 348,531.72-522,748.17-111,843.78

Finding the Fourth Proportional to 348,531.72, 522,748.17 and 111,843.78

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Solution

The fourth proportional to 348,531.72, 522,748.17 and 111,843.78 is: 167,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,531.72 : 522,748.17 = 111,843.78 : x
  2. Step 2: Convert to fraction form
    348,531.72/522,748.17 = 111,843.78/x
  3. Step 3: Cross multiply
    348,531.72x = 522,748.17 × 111,843.78
  4. Step 4: Simplify right side
    348,531.72x = 58,466,131,320.88
  5. Step 5: Solve for x
    x = 58,466,131,320.88/348,531.72
  6. Step 6: Final answer
    x = 167,749.81

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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.