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Finding the Fourth Proportional to 222,646.76, 307,250.18 and 122,044.20

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Solution

The fourth proportional to 222,646.76, 307,250.18 and 122,044.20 is: 168,419.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,646.76 : 307,250.18 = 122,044.20 : x
  2. Step 2: Convert to fraction form
    222,646.76/307,250.18 = 122,044.20/x
  3. Step 3: Cross multiply
    222,646.76x = 307,250.18 × 122,044.20
  4. Step 4: Simplify right side
    222,646.76x = 37,498,102,417.96
  5. Step 5: Solve for x
    x = 37,498,102,417.96/222,646.76
  6. Step 6: Final answer
    x = 168,419.71

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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.