Home / 739,090.86-1,108,626.57-178,120.50

Finding the Fourth Proportional to 739,090.86, 1,108,626.57 and 178,120.50

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Solution

The fourth proportional to 739,090.86, 1,108,626.57 and 178,120.50 is: 267,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,090.86 : 1,108,626.57 = 178,120.50 : x
  2. Step 2: Convert to fraction form
    739,090.86/1,108,626.57 = 178,120.50/x
  3. Step 3: Cross multiply
    739,090.86x = 1,108,626.57 × 178,120.50
  4. Step 4: Simplify right side
    739,090.86x = 197,469,118,961.69
  5. Step 5: Solve for x
    x = 197,469,118,961.69/739,090.86
  6. Step 6: Final answer
    x = 267,178.41

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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.