Home / 338,972.19-508,487.82-111,199.50

Finding the Fourth Proportional to 338,972.19, 508,487.82 and 111,199.50

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Solution

The fourth proportional to 338,972.19, 508,487.82 and 111,199.50 is: 166,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,972.19 : 508,487.82 = 111,199.50 : x
  2. Step 2: Convert to fraction form
    338,972.19/508,487.82 = 111,199.50/x
  3. Step 3: Cross multiply
    338,972.19x = 508,487.82 × 111,199.50
  4. Step 4: Simplify right side
    338,972.19x = 56,543,591,340.09
  5. Step 5: Solve for x
    x = 56,543,591,340.09/338,972.19
  6. Step 6: Final answer
    x = 166,808.94

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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.