Home / 397,766.65-548,975.83-223,356.43

Finding the Fourth Proportional to 397,766.65, 548,975.83 and 223,356.43

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Solution

The fourth proportional to 397,766.65, 548,975.83 and 223,356.43 is: 308,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,766.65 : 548,975.83 = 223,356.43 : x
  2. Step 2: Convert to fraction form
    397,766.65/548,975.83 = 223,356.43/x
  3. Step 3: Cross multiply
    397,766.65x = 548,975.83 × 223,356.43
  4. Step 4: Simplify right side
    397,766.65x = 122,617,283,306.47
  5. Step 5: Solve for x
    x = 122,617,283,306.47/397,766.65
  6. Step 6: Final answer
    x = 308,264.36

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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.