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Finding the Fourth Proportional to 222,131.02, 306,547.84 and 121,529.02

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Solution

The fourth proportional to 222,131.02, 306,547.84 and 121,529.02 is: 167,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,131.02 : 306,547.84 = 121,529.02 : x
  2. Step 2: Convert to fraction form
    222,131.02/306,547.84 = 121,529.02/x
  3. Step 3: Cross multiply
    222,131.02x = 306,547.84 × 121,529.02
  4. Step 4: Simplify right side
    222,131.02x = 37,254,458,578.32
  5. Step 5: Solve for x
    x = 37,254,458,578.32/222,131.02
  6. Step 6: Final answer
    x = 167,713.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.