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Finding the Fourth Proportional to 222,573.84, 306,973.20 and 195,659.28

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Solution

The fourth proportional to 222,573.84, 306,973.20 and 195,659.28 is: 269,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,573.84 : 306,973.20 = 195,659.28 : x
  2. Step 2: Convert to fraction form
    222,573.84/306,973.20 = 195,659.28/x
  3. Step 3: Cross multiply
    222,573.84x = 306,973.20 × 195,659.28
  4. Step 4: Simplify right side
    222,573.84x = 60,062,155,291.30
  5. Step 5: Solve for x
    x = 60,062,155,291.30/222,573.84
  6. Step 6: Final answer
    x = 269,852.72

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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.