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Finding the Fourth Proportional to 222,848, 307,530.30 and 122,246

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Solution

The fourth proportional to 222,848, 307,530.30 and 122,246 is: 168,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,848 : 307,530.30 = 122,246 : x
  2. Step 2: Convert to fraction form
    222,848/307,530.30 = 122,246/x
  3. Step 3: Cross multiply
    222,848x = 307,530.30 × 122,246
  4. Step 4: Simplify right side
    222,848x = 37,594,349,053.80
  5. Step 5: Solve for x
    x = 37,594,349,053.80/222,848
  6. Step 6: Final answer
    x = 168,699.51

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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.