Home / 222,462.94-306,997.27-120,486.05

Finding the Fourth Proportional to 222,462.94, 306,997.27 and 120,486.05

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Solution

The fourth proportional to 222,462.94, 306,997.27 and 120,486.05 is: 166,269.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,462.94 : 306,997.27 = 120,486.05 : x
  2. Step 2: Convert to fraction form
    222,462.94/306,997.27 = 120,486.05/x
  3. Step 3: Cross multiply
    222,462.94x = 306,997.27 × 120,486.05
  4. Step 4: Simplify right side
    222,462.94x = 36,988,888,423.08
  5. Step 5: Solve for x
    x = 36,988,888,423.08/222,462.94
  6. Step 6: Final answer
    x = 166,269.89

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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.