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Finding the Fourth Proportional to 226,075, 311,998.08 and 125,473

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Solution

The fourth proportional to 226,075, 311,998.08 and 125,473 is: 173,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,075 : 311,998.08 = 125,473 : x
  2. Step 2: Convert to fraction form
    226,075/311,998.08 = 125,473/x
  3. Step 3: Cross multiply
    226,075x = 311,998.08 × 125,473
  4. Step 4: Simplify right side
    226,075x = 39,147,335,091.84
  5. Step 5: Solve for x
    x = 39,147,335,091.84/226,075
  6. Step 6: Final answer
    x = 173,160.83

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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.