Home / 303,829.87-419,403.34-271,943.41

Finding the Fourth Proportional to 303,829.87, 419,403.34 and 271,943.41

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Solution

The fourth proportional to 303,829.87, 419,403.34 and 271,943.41 is: 375,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,829.87 : 419,403.34 = 271,943.41 : x
  2. Step 2: Convert to fraction form
    303,829.87/419,403.34 = 271,943.41/x
  3. Step 3: Cross multiply
    303,829.87x = 419,403.34 × 271,943.41
  4. Step 4: Simplify right side
    303,829.87x = 114,053,974,444.99
  5. Step 5: Solve for x
    x = 114,053,974,444.99/303,829.87
  6. Step 6: Final answer
    x = 375,387.63

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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.