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Finding the Fourth Proportional to 222,992.88, 307,709.55 and 132,333.18

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Solution

The fourth proportional to 222,992.88, 307,709.55 and 132,333.18 is: 182,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,992.88 : 307,709.55 = 132,333.18 : x
  2. Step 2: Convert to fraction form
    222,992.88/307,709.55 = 132,333.18/x
  3. Step 3: Cross multiply
    222,992.88x = 307,709.55 × 132,333.18
  4. Step 4: Simplify right side
    222,992.88x = 40,720,183,267.87
  5. Step 5: Solve for x
    x = 40,720,183,267.87/222,992.88
  6. Step 6: Final answer
    x = 182,607.55

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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.