Home / 303,190.49-418,441.55-252,115.34

Finding the Fourth Proportional to 303,190.49, 418,441.55 and 252,115.34

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Solution

The fourth proportional to 303,190.49, 418,441.55 and 252,115.34 is: 347,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,190.49 : 418,441.55 = 252,115.34 : x
  2. Step 2: Convert to fraction form
    303,190.49/418,441.55 = 252,115.34/x
  3. Step 3: Cross multiply
    303,190.49x = 418,441.55 × 252,115.34
  4. Step 4: Simplify right side
    303,190.49x = 105,495,530,295.59
  5. Step 5: Solve for x
    x = 105,495,530,295.59/303,190.49
  6. Step 6: Final answer
    x = 347,951.31

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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.