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Finding the Fourth Proportional to 225,570.96, 338,268.96 and 120,332.52

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Solution

The fourth proportional to 225,570.96, 338,268.96 and 120,332.52 is: 180,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,570.96 : 338,268.96 = 120,332.52 : x
  2. Step 2: Convert to fraction form
    225,570.96/338,268.96 = 120,332.52/x
  3. Step 3: Cross multiply
    225,570.96x = 338,268.96 × 120,332.52
  4. Step 4: Simplify right side
    225,570.96x = 40,704,756,394.58
  5. Step 5: Solve for x
    x = 40,704,756,394.58/225,570.96
  6. Step 6: Final answer
    x = 180,452.11

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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.