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Finding the Fourth Proportional to 300,733.43, 450,817.54 and 100,913.67

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Solution

The fourth proportional to 300,733.43, 450,817.54 and 100,913.67 is: 151,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,733.43 : 450,817.54 = 100,913.67 : x
  2. Step 2: Convert to fraction form
    300,733.43/450,817.54 = 100,913.67/x
  3. Step 3: Cross multiply
    300,733.43x = 450,817.54 × 100,913.67
  4. Step 4: Simplify right side
    300,733.43x = 45,493,652,209.49
  5. Step 5: Solve for x
    x = 45,493,652,209.49/300,733.43
  6. Step 6: Final answer
    x = 151,275.68

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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.