Home / 303,947.04-418,918.97-222,141.40

Finding the Fourth Proportional to 303,947.04, 418,918.97 and 222,141.40

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Solution

The fourth proportional to 303,947.04, 418,918.97 and 222,141.40 is: 306,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,947.04 : 418,918.97 = 222,141.40 : x
  2. Step 2: Convert to fraction form
    303,947.04/418,918.97 = 222,141.40/x
  3. Step 3: Cross multiply
    303,947.04x = 418,918.97 × 222,141.40
  4. Step 4: Simplify right side
    303,947.04x = 93,059,245,990.41
  5. Step 5: Solve for x
    x = 93,059,245,990.41/303,947.04
  6. Step 6: Final answer
    x = 306,169.27

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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.