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Finding the Fourth Proportional to 275,818.38, 380,499.15 and 235,960.32

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Solution

The fourth proportional to 275,818.38, 380,499.15 and 235,960.32 is: 325,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,818.38 : 380,499.15 = 235,960.32 : x
  2. Step 2: Convert to fraction form
    275,818.38/380,499.15 = 235,960.32/x
  3. Step 3: Cross multiply
    275,818.38x = 380,499.15 × 235,960.32
  4. Step 4: Simplify right side
    275,818.38x = 89,782,701,193.73
  5. Step 5: Solve for x
    x = 89,782,701,193.73/275,818.38
  6. Step 6: Final answer
    x = 325,513.84

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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.