Home / 269,435.10-371,823.09-148,581.30

Finding the Fourth Proportional to 269,435.10, 371,823.09 and 148,581.30

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Solution

The fourth proportional to 269,435.10, 371,823.09 and 148,581.30 is: 205,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,435.10 : 371,823.09 = 148,581.30 : x
  2. Step 2: Convert to fraction form
    269,435.10/371,823.09 = 148,581.30/x
  3. Step 3: Cross multiply
    269,435.10x = 371,823.09 × 148,581.30
  4. Step 4: Simplify right side
    269,435.10x = 55,245,958,082.22
  5. Step 5: Solve for x
    x = 55,245,958,082.22/269,435.10
  6. Step 6: Final answer
    x = 205,043.66

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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.