Home / 349,351.05-523,829.72-121,542.20

Finding the Fourth Proportional to 349,351.05, 523,829.72 and 121,542.20

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Solution

The fourth proportional to 349,351.05, 523,829.72 and 121,542.20 is: 182,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,351.05 : 523,829.72 = 121,542.20 : x
  2. Step 2: Convert to fraction form
    349,351.05/523,829.72 = 121,542.20/x
  3. Step 3: Cross multiply
    349,351.05x = 523,829.72 × 121,542.20
  4. Step 4: Simplify right side
    349,351.05x = 63,667,414,278.89
  5. Step 5: Solve for x
    x = 63,667,414,278.89/349,351.05
  6. Step 6: Final answer
    x = 182,244.81

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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.