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Finding the Fourth Proportional to 511,008.08, 766,604.52 and 211,325.96

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Solution

The fourth proportional to 511,008.08, 766,604.52 and 211,325.96 is: 317,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,008.08 : 766,604.52 = 211,325.96 : x
  2. Step 2: Convert to fraction form
    511,008.08/766,604.52 = 211,325.96/x
  3. Step 3: Cross multiply
    511,008.08x = 766,604.52 × 211,325.96
  4. Step 4: Simplify right side
    511,008.08x = 162,003,436,129.34
  5. Step 5: Solve for x
    x = 162,003,436,129.34/511,008.08
  6. Step 6: Final answer
    x = 317,027.15

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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.