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Finding the Fourth Proportional to 267,565.44, 369,210.24 and 154,425.60

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Solution

The fourth proportional to 267,565.44, 369,210.24 and 154,425.60 is: 213,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,565.44 : 369,210.24 = 154,425.60 : x
  2. Step 2: Convert to fraction form
    267,565.44/369,210.24 = 154,425.60/x
  3. Step 3: Cross multiply
    267,565.44x = 369,210.24 × 154,425.60
  4. Step 4: Simplify right side
    267,565.44x = 57,015,512,838.14
  5. Step 5: Solve for x
    x = 57,015,512,838.14/267,565.44
  6. Step 6: Final answer
    x = 213,089.97

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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.