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Finding the Fourth Proportional to 248,837.94, 373,321.26 and 71,357.94

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Solution

The fourth proportional to 248,837.94, 373,321.26 and 71,357.94 is: 107,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,837.94 : 373,321.26 = 71,357.94 : x
  2. Step 2: Convert to fraction form
    248,837.94/373,321.26 = 71,357.94/x
  3. Step 3: Cross multiply
    248,837.94x = 373,321.26 × 71,357.94
  4. Step 4: Simplify right side
    248,837.94x = 26,639,436,071.80
  5. Step 5: Solve for x
    x = 26,639,436,071.80/248,837.94
  6. Step 6: Final answer
    x = 107,055.36

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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.