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Finding the Fourth Proportional to 225,301.29, 310,894.52 and 134,639.21

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Solution

The fourth proportional to 225,301.29, 310,894.52 and 134,639.21 is: 185,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,301.29 : 310,894.52 = 134,639.21 : x
  2. Step 2: Convert to fraction form
    225,301.29/310,894.52 = 134,639.21/x
  3. Step 3: Cross multiply
    225,301.29x = 310,894.52 × 134,639.21
  4. Step 4: Simplify right side
    225,301.29x = 41,858,590,338.46
  5. Step 5: Solve for x
    x = 41,858,590,338.46/225,301.29
  6. Step 6: Final answer
    x = 185,789.39

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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.