Home / 269,859.91-372,439.47-156,682.66

Finding the Fourth Proportional to 269,859.91, 372,439.47 and 156,682.66

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Solution

The fourth proportional to 269,859.91, 372,439.47 and 156,682.66 is: 216,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,859.91 : 372,439.47 = 156,682.66 : x
  2. Step 2: Convert to fraction form
    269,859.91/372,439.47 = 156,682.66/x
  3. Step 3: Cross multiply
    269,859.91x = 372,439.47 × 156,682.66
  4. Step 4: Simplify right side
    269,859.91x = 58,354,806,848.59
  5. Step 5: Solve for x
    x = 58,354,806,848.59/269,859.91
  6. Step 6: Final answer
    x = 216,241.11

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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.