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Finding the Fourth Proportional to 511,282.80, 766,924.20 and 195,577.20

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Solution

The fourth proportional to 511,282.80, 766,924.20 and 195,577.20 is: 293,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,282.80 : 766,924.20 = 195,577.20 : x
  2. Step 2: Convert to fraction form
    511,282.80/766,924.20 = 195,577.20/x
  3. Step 3: Cross multiply
    511,282.80x = 766,924.20 × 195,577.20
  4. Step 4: Simplify right side
    511,282.80x = 149,992,887,648.24
  5. Step 5: Solve for x
    x = 149,992,887,648.24/511,282.80
  6. Step 6: Final answer
    x = 293,365.80

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1.5x scale

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.