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Finding the Fourth Proportional to 222,859.16, 307,498.32 and 132,244.60

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Solution

The fourth proportional to 222,859.16, 307,498.32 and 132,244.60 is: 182,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,859.16 : 307,498.32 = 132,244.60 : x
  2. Step 2: Convert to fraction form
    222,859.16/307,498.32 = 132,244.60/x
  3. Step 3: Cross multiply
    222,859.16x = 307,498.32 × 132,244.60
  4. Step 4: Simplify right side
    222,859.16x = 40,664,992,329.07
  5. Step 5: Solve for x
    x = 40,664,992,329.07/222,859.16
  6. Step 6: Final answer
    x = 182,469.47

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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.