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Finding the Fourth Proportional to 503,093.64, 754,714.56 and 166,169.28

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Solution

The fourth proportional to 503,093.64, 754,714.56 and 166,169.28 is: 249,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,093.64 : 754,714.56 = 166,169.28 : x
  2. Step 2: Convert to fraction form
    503,093.64/754,714.56 = 166,169.28/x
  3. Step 3: Cross multiply
    503,093.64x = 754,714.56 × 166,169.28
  4. Step 4: Simplify right side
    503,093.64x = 125,410,375,040.72
  5. Step 5: Solve for x
    x = 125,410,375,040.72/503,093.64
  6. Step 6: Final answer
    x = 249,278.39

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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.