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Finding the Fourth Proportional to 225,595.76, 338,534.01 and 204,573.87

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Solution

The fourth proportional to 225,595.76, 338,534.01 and 204,573.87 is: 306,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,595.76 : 338,534.01 = 204,573.87 : x
  2. Step 2: Convert to fraction form
    225,595.76/338,534.01 = 204,573.87/x
  3. Step 3: Cross multiply
    225,595.76x = 338,534.01 × 204,573.87
  4. Step 4: Simplify right side
    225,595.76x = 69,255,212,552.32
  5. Step 5: Solve for x
    x = 69,255,212,552.32/225,595.76
  6. Step 6: Final answer
    x = 306,988.10

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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.