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Finding the Fourth Proportional to 251,665.08, 377,556.74 and 83,185.41

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Solution

The fourth proportional to 251,665.08, 377,556.74 and 83,185.41 is: 124,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,665.08 : 377,556.74 = 83,185.41 : x
  2. Step 2: Convert to fraction form
    251,665.08/377,556.74 = 83,185.41/x
  3. Step 3: Cross multiply
    251,665.08x = 377,556.74 × 83,185.41
  4. Step 4: Simplify right side
    251,665.08x = 31,407,211,799.24
  5. Step 5: Solve for x
    x = 31,407,211,799.24/251,665.08
  6. Step 6: Final answer
    x = 124,797.66

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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.