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Finding the Fourth Proportional to 251,726.06, 377,601.54 and 71,838

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Solution

The fourth proportional to 251,726.06, 377,601.54 and 71,838 is: 107,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,726.06 : 377,601.54 = 71,838 : x
  2. Step 2: Convert to fraction form
    251,726.06/377,601.54 = 71,838/x
  3. Step 3: Cross multiply
    251,726.06x = 377,601.54 × 71,838
  4. Step 4: Simplify right side
    251,726.06x = 27,126,139,161.13
  5. Step 5: Solve for x
    x = 27,126,139,161.13/251,726.06
  6. Step 6: Final answer
    x = 107,760.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.