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Finding the Fourth Proportional to 223,158, 307,958.04 and 122,562.48

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Solution

The fourth proportional to 223,158, 307,958.04 and 122,562.48 is: 169,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,158 : 307,958.04 = 122,562.48 : x
  2. Step 2: Convert to fraction form
    223,158/307,958.04 = 122,562.48/x
  3. Step 3: Cross multiply
    223,158x = 307,958.04 × 122,562.48
  4. Step 4: Simplify right side
    223,158x = 37,744,101,118.34
  5. Step 5: Solve for x
    x = 37,744,101,118.34/223,158
  6. Step 6: Final answer
    x = 169,136.22

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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.