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Finding the Fourth Proportional to 284,371.32, 425,984.72 and 134,755.89

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Solution

The fourth proportional to 284,371.32, 425,984.72 and 134,755.89 is: 201,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,371.32 : 425,984.72 = 134,755.89 : x
  2. Step 2: Convert to fraction form
    284,371.32/425,984.72 = 134,755.89/x
  3. Step 3: Cross multiply
    284,371.32x = 425,984.72 × 134,755.89
  4. Step 4: Simplify right side
    284,371.32x = 57,403,949,396.22
  5. Step 5: Solve for x
    x = 57,403,949,396.22/284,371.32
  6. Step 6: Final answer
    x = 201,862.65

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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.