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Finding the Fourth Proportional to 225,959.96, 338,526.84 and 105,796.46

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Solution

The fourth proportional to 225,959.96, 338,526.84 and 105,796.46 is: 158,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,959.96 : 338,526.84 = 105,796.46 : x
  2. Step 2: Convert to fraction form
    225,959.96/338,526.84 = 105,796.46/x
  3. Step 3: Cross multiply
    225,959.96x = 338,526.84 × 105,796.46
  4. Step 4: Simplify right side
    225,959.96x = 35,814,941,286.99
  5. Step 5: Solve for x
    x = 35,814,941,286.99/225,959.96
  6. Step 6: Final answer
    x = 158,501.27

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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.