Home / 677,340.38-1,015,932.81-178,743.26

Finding the Fourth Proportional to 677,340.38, 1,015,932.81 and 178,743.26

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Solution

The fourth proportional to 677,340.38, 1,015,932.81 and 178,743.26 is: 268,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,340.38 : 1,015,932.81 = 178,743.26 : x
  2. Step 2: Convert to fraction form
    677,340.38/1,015,932.81 = 178,743.26/x
  3. Step 3: Cross multiply
    677,340.38x = 1,015,932.81 × 178,743.26
  4. Step 4: Simplify right side
    677,340.38x = 181,591,142,400.36
  5. Step 5: Solve for x
    x = 181,591,142,400.36/677,340.38
  6. Step 6: Final answer
    x = 268,094.37

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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.