Home / 303,949.13-419,475.71-169,839.05

Finding the Fourth Proportional to 303,949.13, 419,475.71 and 169,839.05

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Solution

The fourth proportional to 303,949.13, 419,475.71 and 169,839.05 is: 234,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,949.13 : 419,475.71 = 169,839.05 : x
  2. Step 2: Convert to fraction form
    303,949.13/419,475.71 = 169,839.05/x
  3. Step 3: Cross multiply
    303,949.13x = 419,475.71 × 169,839.05
  4. Step 4: Simplify right side
    303,949.13x = 71,243,354,411.69
  5. Step 5: Solve for x
    x = 71,243,354,411.69/303,949.13
  6. Step 6: Final answer
    x = 234,392.37

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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.