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Finding the Fourth Proportional to 288,956.40, 434,099.61 and 204,924.30

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Solution

The fourth proportional to 288,956.40, 434,099.61 and 204,924.30 is: 307,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,956.40 : 434,099.61 = 204,924.30 : x
  2. Step 2: Convert to fraction form
    288,956.40/434,099.61 = 204,924.30/x
  3. Step 3: Cross multiply
    288,956.40x = 434,099.61 × 204,924.30
  4. Step 4: Simplify right side
    288,956.40x = 88,957,558,709.52
  5. Step 5: Solve for x
    x = 88,957,558,709.52/288,956.40
  6. Step 6: Final answer
    x = 307,858.07

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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.