Home / 222,424.34-306,945.60-121,822.34

Finding the Fourth Proportional to 222,424.34, 306,945.60 and 121,822.34

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Solution

The fourth proportional to 222,424.34, 306,945.60 and 121,822.34 is: 168,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,424.34 : 306,945.60 = 121,822.34 : x
  2. Step 2: Convert to fraction form
    222,424.34/306,945.60 = 121,822.34/x
  3. Step 3: Cross multiply
    222,424.34x = 306,945.60 × 121,822.34
  4. Step 4: Simplify right side
    222,424.34x = 37,392,831,244.70
  5. Step 5: Solve for x
    x = 37,392,831,244.70/222,424.34
  6. Step 6: Final answer
    x = 168,114.84

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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.