Home / 284,972.90-393,167.61-168,692.54

Finding the Fourth Proportional to 284,972.90, 393,167.61 and 168,692.54

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Solution

The fourth proportional to 284,972.90, 393,167.61 and 168,692.54 is: 232,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,972.90 : 393,167.61 = 168,692.54 : x
  2. Step 2: Convert to fraction form
    284,972.90/393,167.61 = 168,692.54/x
  3. Step 3: Cross multiply
    284,972.90x = 393,167.61 × 168,692.54
  4. Step 4: Simplify right side
    284,972.90x = 66,324,443,759.55
  5. Step 5: Solve for x
    x = 66,324,443,759.55/284,972.90
  6. Step 6: Final answer
    x = 232,739.48

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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.