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Finding the Fourth Proportional to 852,325, 1,278,489.93 and 221,244.28

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Solution

The fourth proportional to 852,325, 1,278,489.93 and 221,244.28 is: 331,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,325 : 1,278,489.93 = 221,244.28 : x
  2. Step 2: Convert to fraction form
    852,325/1,278,489.93 = 221,244.28/x
  3. Step 3: Cross multiply
    852,325x = 1,278,489.93 × 221,244.28
  4. Step 4: Simplify right side
    852,325x = 282,858,584,050.10
  5. Step 5: Solve for x
    x = 282,858,584,050.10/852,325
  6. Step 6: Final answer
    x = 331,867.05

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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.