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Finding the Fourth Proportional to 284,692.26, 392,620.77 and 236,217.42

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Solution

The fourth proportional to 284,692.26, 392,620.77 and 236,217.42 is: 325,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,692.26 : 392,620.77 = 236,217.42 : x
  2. Step 2: Convert to fraction form
    284,692.26/392,620.77 = 236,217.42/x
  3. Step 3: Cross multiply
    284,692.26x = 392,620.77 × 236,217.42
  4. Step 4: Simplify right side
    284,692.26x = 92,743,865,327.81
  5. Step 5: Solve for x
    x = 92,743,865,327.81/284,692.26
  6. Step 6: Final answer
    x = 325,768.83

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1.5x scale

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.