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Finding the Fourth Proportional to 511,027.90, 766,259.70 and 237,175.54

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Solution

The fourth proportional to 511,027.90, 766,259.70 and 237,175.54 is: 355,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,027.90 : 766,259.70 = 237,175.54 : x
  2. Step 2: Convert to fraction form
    511,027.90/766,259.70 = 237,175.54/x
  3. Step 3: Cross multiply
    511,027.90x = 766,259.70 × 237,175.54
  4. Step 4: Simplify right side
    511,027.90x = 181,738,058,127.74
  5. Step 5: Solve for x
    x = 181,738,058,127.74/511,027.90
  6. Step 6: Final answer
    x = 355,632.36

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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.