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Finding the Fourth Proportional to 188,895.80, 283,275.60 and 62,512.70

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Solution

The fourth proportional to 188,895.80, 283,275.60 and 62,512.70 is: 93,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,895.80 : 283,275.60 = 62,512.70 : x
  2. Step 2: Convert to fraction form
    188,895.80/283,275.60 = 62,512.70/x
  3. Step 3: Cross multiply
    188,895.80x = 283,275.60 × 62,512.70
  4. Step 4: Simplify right side
    188,895.80x = 17,708,322,600.12
  5. Step 5: Solve for x
    x = 17,708,322,600.12/188,895.80
  6. Step 6: Final answer
    x = 93,746.51

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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.