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Finding the Fourth Proportional to 312,246.92, 430,900.41 and 169,006.73

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Solution

The fourth proportional to 312,246.92, 430,900.41 and 169,006.73 is: 233,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,246.92 : 430,900.41 = 169,006.73 : x
  2. Step 2: Convert to fraction form
    312,246.92/430,900.41 = 169,006.73/x
  3. Step 3: Cross multiply
    312,246.92x = 430,900.41 × 169,006.73
  4. Step 4: Simplify right side
    312,246.92x = 72,825,069,249.76
  5. Step 5: Solve for x
    x = 72,825,069,249.76/312,246.92
  6. Step 6: Final answer
    x = 233,229.10

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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.