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Finding the Fourth Proportional to 263,348.64, 395,022.32 and 88,244.64

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Solution

The fourth proportional to 263,348.64, 395,022.32 and 88,244.64 is: 132,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,348.64 : 395,022.32 = 88,244.64 : x
  2. Step 2: Convert to fraction form
    263,348.64/395,022.32 = 88,244.64/x
  3. Step 3: Cross multiply
    263,348.64x = 395,022.32 × 88,244.64
  4. Step 4: Simplify right side
    263,348.64x = 34,858,602,420.36
  5. Step 5: Solve for x
    x = 34,858,602,420.36/263,348.64
  6. Step 6: Final answer
    x = 132,366.75

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1.5x scale

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.