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Finding the Fourth Proportional to 225,362.04, 338,083.28 and 75,651.08

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Solution

The fourth proportional to 225,362.04, 338,083.28 and 75,651.08 is: 113,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,362.04 : 338,083.28 = 75,651.08 : x
  2. Step 2: Convert to fraction form
    225,362.04/338,083.28 = 75,651.08/x
  3. Step 3: Cross multiply
    225,362.04x = 338,083.28 × 75,651.08
  4. Step 4: Simplify right side
    225,362.04x = 25,576,365,261.94
  5. Step 5: Solve for x
    x = 25,576,365,261.94/225,362.04
  6. Step 6: Final answer
    x = 113,490.12

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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.