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Finding the Fourth Proportional to 202,243.50, 279,096.03 and 112,819.50

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Solution

The fourth proportional to 202,243.50, 279,096.03 and 112,819.50 is: 155,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,243.50 : 279,096.03 = 112,819.50 : x
  2. Step 2: Convert to fraction form
    202,243.50/279,096.03 = 112,819.50/x
  3. Step 3: Cross multiply
    202,243.50x = 279,096.03 × 112,819.50
  4. Step 4: Simplify right side
    202,243.50x = 31,487,474,556.59
  5. Step 5: Solve for x
    x = 31,487,474,556.59/202,243.50
  6. Step 6: Final answer
    x = 155,690.91

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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.