Home / 511,329.28-766,993.90-156,343.27

Finding the Fourth Proportional to 511,329.28, 766,993.90 and 156,343.27

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Solution

The fourth proportional to 511,329.28, 766,993.90 and 156,343.27 is: 234,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,329.28 : 766,993.90 = 156,343.27 : x
  2. Step 2: Convert to fraction form
    511,329.28/766,993.90 = 156,343.27/x
  3. Step 3: Cross multiply
    511,329.28x = 766,993.90 × 156,343.27
  4. Step 4: Simplify right side
    511,329.28x = 119,914,334,005.20
  5. Step 5: Solve for x
    x = 119,914,334,005.20/511,329.28
  6. Step 6: Final answer
    x = 234,514.90

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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.