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Finding the Fourth Proportional to 241,311.24, 361,751.77 and 91,656.63

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Solution

The fourth proportional to 241,311.24, 361,751.77 and 91,656.63 is: 137,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,311.24 : 361,751.77 = 91,656.63 : x
  2. Step 2: Convert to fraction form
    241,311.24/361,751.77 = 91,656.63/x
  3. Step 3: Cross multiply
    241,311.24x = 361,751.77 × 91,656.63
  4. Step 4: Simplify right side
    241,311.24x = 33,156,948,134.74
  5. Step 5: Solve for x
    x = 33,156,948,134.74/241,311.24
  6. Step 6: Final answer
    x = 137,403.25

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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.