Home / 349,948.86-482,938.47-196,992.54

Finding the Fourth Proportional to 349,948.86, 482,938.47 and 196,992.54

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Solution

The fourth proportional to 349,948.86, 482,938.47 and 196,992.54 is: 271,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,948.86 : 482,938.47 = 196,992.54 : x
  2. Step 2: Convert to fraction form
    349,948.86/482,938.47 = 196,992.54/x
  3. Step 3: Cross multiply
    349,948.86x = 482,938.47 × 196,992.54
  4. Step 4: Simplify right side
    349,948.86x = 95,135,275,869.01
  5. Step 5: Solve for x
    x = 95,135,275,869.01/349,948.86
  6. Step 6: Final answer
    x = 271,854.80

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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.