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Finding the Fourth Proportional to 267,640.82, 369,284.50 and 152,882.78

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Solution

The fourth proportional to 267,640.82, 369,284.50 and 152,882.78 is: 210,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,640.82 : 369,284.50 = 152,882.78 : x
  2. Step 2: Convert to fraction form
    267,640.82/369,284.50 = 152,882.78/x
  3. Step 3: Cross multiply
    267,640.82x = 369,284.50 × 152,882.78
  4. Step 4: Simplify right side
    267,640.82x = 56,457,240,970.91
  5. Step 5: Solve for x
    x = 56,457,240,970.91/267,640.82
  6. Step 6: Final answer
    x = 210,944.06

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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.