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Finding the Fourth Proportional to 267,553.38, 369,230.70 and 151,257.60

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Solution

The fourth proportional to 267,553.38, 369,230.70 and 151,257.60 is: 208,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,553.38 : 369,230.70 = 151,257.60 : x
  2. Step 2: Convert to fraction form
    267,553.38/369,230.70 = 151,257.60/x
  3. Step 3: Cross multiply
    267,553.38x = 369,230.70 × 151,257.60
  4. Step 4: Simplify right side
    267,553.38x = 55,848,949,528.32
  5. Step 5: Solve for x
    x = 55,848,949,528.32/267,553.38
  6. Step 6: Final answer
    x = 208,739.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.