Home / 269,215.45-371,519.80-148,361.05

Finding the Fourth Proportional to 269,215.45, 371,519.80 and 148,361.05

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Solution

The fourth proportional to 269,215.45, 371,519.80 and 148,361.05 is: 204,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,215.45 : 371,519.80 = 148,361.05 : x
  2. Step 2: Convert to fraction form
    269,215.45/371,519.80 = 148,361.05/x
  3. Step 3: Cross multiply
    269,215.45x = 371,519.80 × 148,361.05
  4. Step 4: Simplify right side
    269,215.45x = 55,119,067,717.29
  5. Step 5: Solve for x
    x = 55,119,067,717.29/269,215.45
  6. Step 6: Final answer
    x = 204,739.62

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1.5x scale

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.