Home / 670,760.64-1,006,131.96-165,327.60

Finding the Fourth Proportional to 670,760.64, 1,006,131.96 and 165,327.60

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Solution

The fourth proportional to 670,760.64, 1,006,131.96 and 165,327.60 is: 247,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,760.64 : 1,006,131.96 = 165,327.60 : x
  2. Step 2: Convert to fraction form
    670,760.64/1,006,131.96 = 165,327.60/x
  3. Step 3: Cross multiply
    670,760.64x = 1,006,131.96 × 165,327.60
  4. Step 4: Simplify right side
    670,760.64x = 166,341,382,230.10
  5. Step 5: Solve for x
    x = 166,341,382,230.10/670,760.64
  6. Step 6: Final answer
    x = 247,989.18

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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.