Home / 222,262.37-306,719.70-120,285.60

Finding the Fourth Proportional to 222,262.37, 306,719.70 and 120,285.60

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Solution

The fourth proportional to 222,262.37, 306,719.70 and 120,285.60 is: 165,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,262.37 : 306,719.70 = 120,285.60 : x
  2. Step 2: Convert to fraction form
    222,262.37/306,719.70 = 120,285.60/x
  3. Step 3: Cross multiply
    222,262.37x = 306,719.70 × 120,285.60
  4. Step 4: Simplify right side
    222,262.37x = 36,893,963,146.32
  5. Step 5: Solve for x
    x = 36,893,963,146.32/222,262.37
  6. Step 6: Final answer
    x = 165,992.85

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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.