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Finding the Fourth Proportional to 151,396.80, 226,900.80 and 72,340.80

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Solution

The fourth proportional to 151,396.80, 226,900.80 and 72,340.80 is: 108,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,396.80 : 226,900.80 = 72,340.80 : x
  2. Step 2: Convert to fraction form
    151,396.80/226,900.80 = 72,340.80/x
  3. Step 3: Cross multiply
    151,396.80x = 226,900.80 × 72,340.80
  4. Step 4: Simplify right side
    151,396.80x = 16,414,185,392.64
  5. Step 5: Solve for x
    x = 16,414,185,392.64/151,396.80
  6. Step 6: Final answer
    x = 108,418.31

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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.