Home / 427,426.32-641,197.80-178,050

Finding the Fourth Proportional to 427,426.32, 641,197.80 and 178,050

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Solution

The fourth proportional to 427,426.32, 641,197.80 and 178,050 is: 267,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,426.32 : 641,197.80 = 178,050 : x
  2. Step 2: Convert to fraction form
    427,426.32/641,197.80 = 178,050/x
  3. Step 3: Cross multiply
    427,426.32x = 641,197.80 × 178,050
  4. Step 4: Simplify right side
    427,426.32x = 114,165,268,290.00
  5. Step 5: Solve for x
    x = 114,165,268,290.00/427,426.32
  6. Step 6: Final answer
    x = 267,099.29

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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.