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Finding the Fourth Proportional to 446,309.65, 615,906.60 and 245,105.65

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Solution

The fourth proportional to 446,309.65, 615,906.60 and 245,105.65 is: 338,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,309.65 : 615,906.60 = 245,105.65 : x
  2. Step 2: Convert to fraction form
    446,309.65/615,906.60 = 245,105.65/x
  3. Step 3: Cross multiply
    446,309.65x = 615,906.60 × 245,105.65
  4. Step 4: Simplify right side
    446,309.65x = 150,962,187,532.29
  5. Step 5: Solve for x
    x = 150,962,187,532.29/446,309.65
  6. Step 6: Final answer
    x = 338,245.40

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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.