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Finding the Fourth Proportional to 201,455.70, 301,819.05 and 159,611.10

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Solution

The fourth proportional to 201,455.70, 301,819.05 and 159,611.10 is: 239,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,455.70 : 301,819.05 = 159,611.10 : x
  2. Step 2: Convert to fraction form
    201,455.70/301,819.05 = 159,611.10/x
  3. Step 3: Cross multiply
    201,455.70x = 301,819.05 × 159,611.10
  4. Step 4: Simplify right side
    201,455.70x = 48,173,670,571.46
  5. Step 5: Solve for x
    x = 48,173,670,571.46/201,455.70
  6. Step 6: Final answer
    x = 239,127.86

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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.