Home / 393,550.06-543,049.14-223,787.74

Finding the Fourth Proportional to 393,550.06, 543,049.14 and 223,787.74

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Solution

The fourth proportional to 393,550.06, 543,049.14 and 223,787.74 is: 308,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,550.06 : 543,049.14 = 223,787.74 : x
  2. Step 2: Convert to fraction form
    393,550.06/543,049.14 = 223,787.74/x
  3. Step 3: Cross multiply
    393,550.06x = 543,049.14 × 223,787.74
  4. Step 4: Simplify right side
    393,550.06x = 121,527,739,749.54
  5. Step 5: Solve for x
    x = 121,527,739,749.54/393,550.06
  6. Step 6: Final answer
    x = 308,798.68

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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.