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Finding the Fourth Proportional to 203,546.63, 280,895.37 and 112,896.29

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Solution

The fourth proportional to 203,546.63, 280,895.37 and 112,896.29 is: 155,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,546.63 : 280,895.37 = 112,896.29 : x
  2. Step 2: Convert to fraction form
    203,546.63/280,895.37 = 112,896.29/x
  3. Step 3: Cross multiply
    203,546.63x = 280,895.37 × 112,896.29
  4. Step 4: Simplify right side
    203,546.63x = 31,712,045,151.18
  5. Step 5: Solve for x
    x = 31,712,045,151.18/203,546.63
  6. Step 6: Final answer
    x = 155,797.45

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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.