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Finding the Fourth Proportional to 223,461.36, 308,382.12 and 122,859.36

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Solution

The fourth proportional to 223,461.36, 308,382.12 and 122,859.36 is: 169,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,461.36 : 308,382.12 = 122,859.36 : x
  2. Step 2: Convert to fraction form
    223,461.36/308,382.12 = 122,859.36/x
  3. Step 3: Cross multiply
    223,461.36x = 308,382.12 × 122,859.36
  4. Step 4: Simplify right side
    223,461.36x = 37,887,629,898.64
  5. Step 5: Solve for x
    x = 37,887,629,898.64/223,461.36
  6. Step 6: Final answer
    x = 169,548.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.