Home / 269,021.93-371,217.96-154,294.61

Finding the Fourth Proportional to 269,021.93, 371,217.96 and 154,294.61

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Solution

The fourth proportional to 269,021.93, 371,217.96 and 154,294.61 is: 212,908.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,021.93 : 371,217.96 = 154,294.61 : x
  2. Step 2: Convert to fraction form
    269,021.93/371,217.96 = 154,294.61/x
  3. Step 3: Cross multiply
    269,021.93x = 371,217.96 × 154,294.61
  4. Step 4: Simplify right side
    269,021.93x = 57,276,928,507.11
  5. Step 5: Solve for x
    x = 57,276,928,507.11/269,021.93
  6. Step 6: Final answer
    x = 212,908.03

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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.