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Finding the Fourth Proportional to 222,101.92, 306,507.90 and 121,499.92

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Solution

The fourth proportional to 222,101.92, 306,507.90 and 121,499.92 is: 167,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,101.92 : 306,507.90 = 121,499.92 : x
  2. Step 2: Convert to fraction form
    222,101.92/306,507.90 = 121,499.92/x
  3. Step 3: Cross multiply
    222,101.92x = 306,507.90 × 121,499.92
  4. Step 4: Simplify right side
    222,101.92x = 37,240,685,329.37
  5. Step 5: Solve for x
    x = 37,240,685,329.37/222,101.92
  6. Step 6: Final answer
    x = 167,673.86

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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.