Home / 225,964.49-338,936.48-99,570.92

Finding the Fourth Proportional to 225,964.49, 338,936.48 and 99,570.92

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Solution

The fourth proportional to 225,964.49, 338,936.48 and 99,570.92 is: 149,351.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,964.49 : 338,936.48 = 99,570.92 : x
  2. Step 2: Convert to fraction form
    225,964.49/338,936.48 = 99,570.92/x
  3. Step 3: Cross multiply
    225,964.49x = 338,936.48 × 99,570.92
  4. Step 4: Simplify right side
    225,964.49x = 33,748,216,942.49
  5. Step 5: Solve for x
    x = 33,748,216,942.49/225,964.49
  6. Step 6: Final answer
    x = 149,351.86

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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.