Home / 269,435.21-371,812.05-148,581.59

Finding the Fourth Proportional to 269,435.21, 371,812.05 and 148,581.59

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Solution

The fourth proportional to 269,435.21, 371,812.05 and 148,581.59 is: 205,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,435.21 : 371,812.05 = 148,581.59 : x
  2. Step 2: Convert to fraction form
    269,435.21/371,812.05 = 148,581.59/x
  3. Step 3: Cross multiply
    269,435.21x = 371,812.05 × 148,581.59
  4. Step 4: Simplify right side
    269,435.21x = 55,244,423,711.10
  5. Step 5: Solve for x
    x = 55,244,423,711.10/269,435.21
  6. Step 6: Final answer
    x = 205,037.88

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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.