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Finding the Fourth Proportional to 238,692.69, 329,383.53 and 131,259.96

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Solution

The fourth proportional to 238,692.69, 329,383.53 and 131,259.96 is: 181,131.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,692.69 : 329,383.53 = 131,259.96 : x
  2. Step 2: Convert to fraction form
    238,692.69/329,383.53 = 131,259.96/x
  3. Step 3: Cross multiply
    238,692.69x = 329,383.53 × 131,259.96
  4. Step 4: Simplify right side
    238,692.69x = 43,234,868,972.46
  5. Step 5: Solve for x
    x = 43,234,868,972.46/238,692.69
  6. Step 6: Final answer
    x = 181,131.94

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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.