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Finding the Fourth Proportional to 251,365.35, 377,227.95 and 91,440.97

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Solution

The fourth proportional to 251,365.35, 377,227.95 and 91,440.97 is: 137,226.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,365.35 : 377,227.95 = 91,440.97 : x
  2. Step 2: Convert to fraction form
    251,365.35/377,227.95 = 91,440.97/x
  3. Step 3: Cross multiply
    251,365.35x = 377,227.95 × 91,440.97
  4. Step 4: Simplify right side
    251,365.35x = 34,494,089,659.11
  5. Step 5: Solve for x
    x = 34,494,089,659.11/251,365.35
  6. Step 6: Final answer
    x = 137,226.91

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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.