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Finding the Fourth Proportional to 248,791.88, 343,319.84 and 141,347

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Solution

The fourth proportional to 248,791.88, 343,319.84 and 141,347 is: 195,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,791.88 : 343,319.84 = 141,347 : x
  2. Step 2: Convert to fraction form
    248,791.88/343,319.84 = 141,347/x
  3. Step 3: Cross multiply
    248,791.88x = 343,319.84 × 141,347
  4. Step 4: Simplify right side
    248,791.88x = 48,527,229,424.48
  5. Step 5: Solve for x
    x = 48,527,229,424.48/248,791.88
  6. Step 6: Final answer
    x = 195,051.50

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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.