Home / 269,039.13-371,241.49-154,311.83

Finding the Fourth Proportional to 269,039.13, 371,241.49 and 154,311.83

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Solution

The fourth proportional to 269,039.13, 371,241.49 and 154,311.83 is: 212,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,039.13 : 371,241.49 = 154,311.83 : x
  2. Step 2: Convert to fraction form
    269,039.13/371,241.49 = 154,311.83/x
  3. Step 3: Cross multiply
    269,039.13x = 371,241.49 × 154,311.83
  4. Step 4: Simplify right side
    269,039.13x = 57,286,953,693.83
  5. Step 5: Solve for x
    x = 57,286,953,693.83/269,039.13
  6. Step 6: Final answer
    x = 212,931.68

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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.