Home / 269,774.21-372,286.31-148,915.53

Finding the Fourth Proportional to 269,774.21, 372,286.31 and 148,915.53

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Solution

The fourth proportional to 269,774.21, 372,286.31 and 148,915.53 is: 205,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,774.21 : 372,286.31 = 148,915.53 : x
  2. Step 2: Convert to fraction form
    269,774.21/372,286.31 = 148,915.53/x
  3. Step 3: Cross multiply
    269,774.21x = 372,286.31 × 148,915.53
  4. Step 4: Simplify right side
    269,774.21x = 55,439,212,420.82
  5. Step 5: Solve for x
    x = 55,439,212,420.82/269,774.21
  6. Step 6: Final answer
    x = 205,502.27

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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.