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Finding the Fourth Proportional to 222,073.66, 306,460.76 and 120,099.23

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Solution

The fourth proportional to 222,073.66, 306,460.76 and 120,099.23 is: 165,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,073.66 : 306,460.76 = 120,099.23 : x
  2. Step 2: Convert to fraction form
    222,073.66/306,460.76 = 120,099.23/x
  3. Step 3: Cross multiply
    222,073.66x = 306,460.76 × 120,099.23
  4. Step 4: Simplify right side
    222,073.66x = 36,805,702,367.61
  5. Step 5: Solve for x
    x = 36,805,702,367.61/222,073.66
  6. Step 6: Final answer
    x = 165,736.46

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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.