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Finding the Fourth Proportional to 363,263.22, 544,982.31 and 113,945.22

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Solution

The fourth proportional to 363,263.22, 544,982.31 and 113,945.22 is: 170,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,263.22 : 544,982.31 = 113,945.22 : x
  2. Step 2: Convert to fraction form
    363,263.22/544,982.31 = 113,945.22/x
  3. Step 3: Cross multiply
    363,263.22x = 544,982.31 × 113,945.22
  4. Step 4: Simplify right side
    363,263.22x = 62,098,129,209.06
  5. Step 5: Solve for x
    x = 62,098,129,209.06/363,263.22
  6. Step 6: Final answer
    x = 170,945.27

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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.