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Finding the Fourth Proportional to 300,072.92, 450,346.00 and 131,709.46

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Solution

The fourth proportional to 300,072.92, 450,346.00 and 131,709.46 is: 197,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,072.92 : 450,346.00 = 131,709.46 : x
  2. Step 2: Convert to fraction form
    300,072.92/450,346.00 = 131,709.46/x
  3. Step 3: Cross multiply
    300,072.92x = 450,346.00 × 131,709.46
  4. Step 4: Simplify right side
    300,072.92x = 59,314,826,579.91
  5. Step 5: Solve for x
    x = 59,314,826,579.91/300,072.92
  6. Step 6: Final answer
    x = 197,668.04

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1.5x scale

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.