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Finding the Fourth Proportional to 511,015.08, 766,522.68 and 230,612.52

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Solution

The fourth proportional to 511,015.08, 766,522.68 and 230,612.52 is: 345,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,015.08 : 766,522.68 = 230,612.52 : x
  2. Step 2: Convert to fraction form
    511,015.08/766,522.68 = 230,612.52/x
  3. Step 3: Cross multiply
    511,015.08x = 766,522.68 × 230,612.52
  4. Step 4: Simplify right side
    511,015.08x = 176,769,726,871.95
  5. Step 5: Solve for x
    x = 176,769,726,871.95/511,015.08
  6. Step 6: Final answer
    x = 345,918.81

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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.