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Finding the Fourth Proportional to 222,329.88, 306,845.82 and 136,340.28

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Solution

The fourth proportional to 222,329.88, 306,845.82 and 136,340.28 is: 188,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,329.88 : 306,845.82 = 136,340.28 : x
  2. Step 2: Convert to fraction form
    222,329.88/306,845.82 = 136,340.28/x
  3. Step 3: Cross multiply
    222,329.88x = 306,845.82 × 136,340.28
  4. Step 4: Simplify right side
    222,329.88x = 41,835,445,015.63
  5. Step 5: Solve for x
    x = 41,835,445,015.63/222,329.88
  6. Step 6: Final answer
    x = 188,168.34

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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.