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Finding the Fourth Proportional to 162,808.20, 244,212.30 and 92,824.20

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Solution

The fourth proportional to 162,808.20, 244,212.30 and 92,824.20 is: 139,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,808.20 : 244,212.30 = 92,824.20 : x
  2. Step 2: Convert to fraction form
    162,808.20/244,212.30 = 92,824.20/x
  3. Step 3: Cross multiply
    162,808.20x = 244,212.30 × 92,824.20
  4. Step 4: Simplify right side
    162,808.20x = 22,668,811,377.66
  5. Step 5: Solve for x
    x = 22,668,811,377.66/162,808.20
  6. Step 6: Final answer
    x = 139,236.30

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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.