Home / 403,982.44-557,470.69-222,685

Finding the Fourth Proportional to 403,982.44, 557,470.69 and 222,685

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Solution

The fourth proportional to 403,982.44, 557,470.69 and 222,685 is: 307,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,982.44 : 557,470.69 = 222,685 : x
  2. Step 2: Convert to fraction form
    403,982.44/557,470.69 = 222,685/x
  3. Step 3: Cross multiply
    403,982.44x = 557,470.69 × 222,685
  4. Step 4: Simplify right side
    403,982.44x = 124,140,360,602.65
  5. Step 5: Solve for x
    x = 124,140,360,602.65/403,982.44
  6. Step 6: Final answer
    x = 307,291.48

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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.