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Finding the Fourth Proportional to 268,752.64, 402,775.68 and 110,893.28

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Solution

The fourth proportional to 268,752.64, 402,775.68 and 110,893.28 is: 166,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,752.64 : 402,775.68 = 110,893.28 : x
  2. Step 2: Convert to fraction form
    268,752.64/402,775.68 = 110,893.28/x
  3. Step 3: Cross multiply
    268,752.64x = 402,775.68 × 110,893.28
  4. Step 4: Simplify right side
    268,752.64x = 44,665,116,259.43
  5. Step 5: Solve for x
    x = 44,665,116,259.43/268,752.64
  6. Step 6: Final answer
    x = 166,194.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.