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Finding the Fourth Proportional to 241,103.34, 361,605.60 and 91,291.95

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Solution

The fourth proportional to 241,103.34, 361,605.60 and 91,291.95 is: 136,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,103.34 : 361,605.60 = 91,291.95 : x
  2. Step 2: Convert to fraction form
    241,103.34/361,605.60 = 91,291.95/x
  3. Step 3: Cross multiply
    241,103.34x = 361,605.60 × 91,291.95
  4. Step 4: Simplify right side
    241,103.34x = 33,011,680,354.92
  5. Step 5: Solve for x
    x = 33,011,680,354.92/241,103.34
  6. Step 6: Final answer
    x = 136,919.22

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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.