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Finding the Fourth Proportional to 188,708.84, 283,063.28 and 48,467.60

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Solution

The fourth proportional to 188,708.84, 283,063.28 and 48,467.60 is: 72,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,708.84 : 283,063.28 = 48,467.60 : x
  2. Step 2: Convert to fraction form
    188,708.84/283,063.28 = 48,467.60/x
  3. Step 3: Cross multiply
    188,708.84x = 283,063.28 × 48,467.60
  4. Step 4: Simplify right side
    188,708.84x = 13,719,397,829.73
  5. Step 5: Solve for x
    x = 13,719,397,829.73/188,708.84
  6. Step 6: Final answer
    x = 72,701.41

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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.