Home / 349,238.40-481,949.60-198,335.36

Finding the Fourth Proportional to 349,238.40, 481,949.60 and 198,335.36

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Solution

The fourth proportional to 349,238.40, 481,949.60 and 198,335.36 is: 273,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,238.40 : 481,949.60 = 198,335.36 : x
  2. Step 2: Convert to fraction form
    349,238.40/481,949.60 = 198,335.36/x
  3. Step 3: Cross multiply
    349,238.40x = 481,949.60 × 198,335.36
  4. Step 4: Simplify right side
    349,238.40x = 95,587,647,417.86
  5. Step 5: Solve for x
    x = 95,587,647,417.86/349,238.40
  6. Step 6: Final answer
    x = 273,703.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.