Home / 511,192.82-766,269.75-211,836.26

Finding the Fourth Proportional to 511,192.82, 766,269.75 and 211,836.26

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Solution

The fourth proportional to 511,192.82, 766,269.75 and 211,836.26 is: 317,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,192.82 : 766,269.75 = 211,836.26 : x
  2. Step 2: Convert to fraction form
    511,192.82/766,269.75 = 211,836.26/x
  3. Step 3: Cross multiply
    511,192.82x = 766,269.75 × 211,836.26
  4. Step 4: Simplify right side
    511,192.82x = 162,323,720,701.20
  5. Step 5: Solve for x
    x = 162,323,720,701.20/511,192.82
  6. Step 6: Final answer
    x = 317,539.12

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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.