Home / 269,834.40-372,361.80-148,973.20

Finding the Fourth Proportional to 269,834.40, 372,361.80 and 148,973.20

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Solution

The fourth proportional to 269,834.40, 372,361.80 and 148,973.20 is: 205,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,834.40 : 372,361.80 = 148,973.20 : x
  2. Step 2: Convert to fraction form
    269,834.40/372,361.80 = 148,973.20/x
  3. Step 3: Cross multiply
    269,834.40x = 372,361.80 × 148,973.20
  4. Step 4: Simplify right side
    269,834.40x = 55,471,928,903.76
  5. Step 5: Solve for x
    x = 55,471,928,903.76/269,834.40
  6. Step 6: Final answer
    x = 205,577.68

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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.