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Finding the Fourth Proportional to 221,080.17, 304,873.88 and 140,367.57

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Solution

The fourth proportional to 221,080.17, 304,873.88 and 140,367.57 is: 193,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,080.17 : 304,873.88 = 140,367.57 : x
  2. Step 2: Convert to fraction form
    221,080.17/304,873.88 = 140,367.57/x
  3. Step 3: Cross multiply
    221,080.17x = 304,873.88 × 140,367.57
  4. Step 4: Simplify right side
    221,080.17x = 42,794,405,692.07
  5. Step 5: Solve for x
    x = 42,794,405,692.07/221,080.17
  6. Step 6: Final answer
    x = 193,569.63

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1.5x scale

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.