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Finding the Fourth Proportional to 248,993.84, 343,597.56 and 141,548.96

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Solution

The fourth proportional to 248,993.84, 343,597.56 and 141,548.96 is: 195,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,993.84 : 343,597.56 = 141,548.96 : x
  2. Step 2: Convert to fraction form
    248,993.84/343,597.56 = 141,548.96/x
  3. Step 3: Cross multiply
    248,993.84x = 343,597.56 × 141,548.96
  4. Step 4: Simplify right side
    248,993.84x = 48,635,877,276.54
  5. Step 5: Solve for x
    x = 48,635,877,276.54/248,993.84
  6. Step 6: Final answer
    x = 195,329.64

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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.