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Finding the Fourth Proportional to 222,494.45, 307,029.29 and 131,859.09

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Solution

The fourth proportional to 222,494.45, 307,029.29 and 131,859.09 is: 181,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,494.45 : 307,029.29 = 131,859.09 : x
  2. Step 2: Convert to fraction form
    222,494.45/307,029.29 = 131,859.09/x
  3. Step 3: Cross multiply
    222,494.45x = 307,029.29 × 131,859.09
  4. Step 4: Simplify right side
    222,494.45x = 40,484,602,123.45
  5. Step 5: Solve for x
    x = 40,484,602,123.45/222,494.45
  6. Step 6: Final answer
    x = 181,957.81

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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.