Home / 511,109.12-766,516.03-174,142.31

Finding the Fourth Proportional to 511,109.12, 766,516.03 and 174,142.31

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Solution

The fourth proportional to 511,109.12, 766,516.03 and 174,142.31 is: 261,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,109.12 : 766,516.03 = 174,142.31 : x
  2. Step 2: Convert to fraction form
    511,109.12/766,516.03 = 174,142.31/x
  3. Step 3: Cross multiply
    511,109.12x = 766,516.03 × 174,142.31
  4. Step 4: Simplify right side
    511,109.12x = 133,482,867,848.29
  5. Step 5: Solve for x
    x = 133,482,867,848.29/511,109.12
  6. Step 6: Final answer
    x = 261,163.15

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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.