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Finding the Fourth Proportional to 281,078.87, 421,557.23 and 88,968.23

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Solution

The fourth proportional to 281,078.87, 421,557.23 and 88,968.23 is: 133,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,078.87 : 421,557.23 = 88,968.23 : x
  2. Step 2: Convert to fraction form
    281,078.87/421,557.23 = 88,968.23/x
  3. Step 3: Cross multiply
    281,078.87x = 421,557.23 × 88,968.23
  4. Step 4: Simplify right side
    281,078.87x = 37,505,198,044.18
  5. Step 5: Solve for x
    x = 37,505,198,044.18/281,078.87
  6. Step 6: Final answer
    x = 133,433.01

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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.