Home / 269,858.91-372,438.09-156,681.66

Finding the Fourth Proportional to 269,858.91, 372,438.09 and 156,681.66

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Solution

The fourth proportional to 269,858.91, 372,438.09 and 156,681.66 is: 216,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,858.91 : 372,438.09 = 156,681.66 : x
  2. Step 2: Convert to fraction form
    269,858.91/372,438.09 = 156,681.66/x
  3. Step 3: Cross multiply
    269,858.91x = 372,438.09 × 156,681.66
  4. Step 4: Simplify right side
    269,858.91x = 58,354,218,188.43
  5. Step 5: Solve for x
    x = 58,354,218,188.43/269,858.91
  6. Step 6: Final answer
    x = 216,239.73

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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.