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Finding the Fourth Proportional to 275,817.38, 380,497.77 and 235,959.32

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Solution

The fourth proportional to 275,817.38, 380,497.77 and 235,959.32 is: 325,512.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,817.38 : 380,497.77 = 235,959.32 : x
  2. Step 2: Convert to fraction form
    275,817.38/380,497.77 = 235,959.32/x
  3. Step 3: Cross multiply
    275,817.38x = 380,497.77 × 235,959.32
  4. Step 4: Simplify right side
    275,817.38x = 89,781,995,070.72
  5. Step 5: Solve for x
    x = 89,781,995,070.72/275,817.38
  6. Step 6: Final answer
    x = 325,512.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.