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Finding the Fourth Proportional to 221,046.93, 305,044.77 and 120,444.93

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Solution

The fourth proportional to 221,046.93, 305,044.77 and 120,444.93 is: 166,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,046.93 : 305,044.77 = 120,444.93 : x
  2. Step 2: Convert to fraction form
    221,046.93/305,044.77 = 120,444.93/x
  3. Step 3: Cross multiply
    221,046.93x = 305,044.77 × 120,444.93
  4. Step 4: Simplify right side
    221,046.93x = 36,741,095,969.52
  5. Step 5: Solve for x
    x = 36,741,095,969.52/221,046.93
  6. Step 6: Final answer
    x = 166,214.01

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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.