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Finding the Fourth Proportional to 284,369.82, 425,982.47 and 134,754.39

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Solution

The fourth proportional to 284,369.82, 425,982.47 and 134,754.39 is: 201,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,369.82 : 425,982.47 = 134,754.39 : x
  2. Step 2: Convert to fraction form
    284,369.82/425,982.47 = 134,754.39/x
  3. Step 3: Cross multiply
    284,369.82x = 425,982.47 × 134,754.39
  4. Step 4: Simplify right side
    284,369.82x = 57,403,007,221.77
  5. Step 5: Solve for x
    x = 57,403,007,221.77/284,369.82
  6. Step 6: Final answer
    x = 201,860.41

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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.