Home / 511,025.72-766,304.98-190,942.88

Finding the Fourth Proportional to 511,025.72, 766,304.98 and 190,942.88

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Solution

The fourth proportional to 511,025.72, 766,304.98 and 190,942.88 is: 286,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,025.72 : 766,304.98 = 190,942.88 : x
  2. Step 2: Convert to fraction form
    511,025.72/766,304.98 = 190,942.88/x
  3. Step 3: Cross multiply
    511,025.72x = 766,304.98 × 190,942.88
  4. Step 4: Simplify right side
    511,025.72x = 146,320,475,530.66
  5. Step 5: Solve for x
    x = 146,320,475,530.66/511,025.72
  6. Step 6: Final answer
    x = 286,327.03

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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.