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Finding the Fourth Proportional to 222,175.80, 306,582.84 and 131,534.64

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Solution

The fourth proportional to 222,175.80, 306,582.84 and 131,534.64 is: 181,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,175.80 : 306,582.84 = 131,534.64 : x
  2. Step 2: Convert to fraction form
    222,175.80/306,582.84 = 131,534.64/x
  3. Step 3: Cross multiply
    222,175.80x = 306,582.84 × 131,534.64
  4. Step 4: Simplify right side
    222,175.80x = 40,326,263,489.58
  5. Step 5: Solve for x
    x = 40,326,263,489.58/222,175.80
  6. Step 6: Final answer
    x = 181,506.10

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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.