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Finding the Fourth Proportional to 222,280.60, 306,727.80 and 131,620.30

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Solution

The fourth proportional to 222,280.60, 306,727.80 and 131,620.30 is: 181,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,280.60 : 306,727.80 = 131,620.30 : x
  2. Step 2: Convert to fraction form
    222,280.60/306,727.80 = 131,620.30/x
  3. Step 3: Cross multiply
    222,280.60x = 306,727.80 × 131,620.30
  4. Step 4: Simplify right side
    222,280.60x = 40,371,605,054.34
  5. Step 5: Solve for x
    x = 40,371,605,054.34/222,280.60
  6. Step 6: Final answer
    x = 181,624.51

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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.