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Finding the Fourth Proportional to 241,347.54, 362,079.86 and 72,857.80

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Solution

The fourth proportional to 241,347.54, 362,079.86 and 72,857.80 is: 109,304.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,347.54 : 362,079.86 = 72,857.80 : x
  2. Step 2: Convert to fraction form
    241,347.54/362,079.86 = 72,857.80/x
  3. Step 3: Cross multiply
    241,347.54x = 362,079.86 × 72,857.80
  4. Step 4: Simplify right side
    241,347.54x = 26,380,342,023.91
  5. Step 5: Solve for x
    x = 26,380,342,023.91/241,347.54
  6. Step 6: Final answer
    x = 109,304.38

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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.