Home / 386,429.97-533,172.47-223,046.49

Finding the Fourth Proportional to 386,429.97, 533,172.47 and 223,046.49

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Solution

The fourth proportional to 386,429.97, 533,172.47 and 223,046.49 is: 307,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,429.97 : 533,172.47 = 223,046.49 : x
  2. Step 2: Convert to fraction form
    386,429.97/533,172.47 = 223,046.49/x
  3. Step 3: Cross multiply
    386,429.97x = 533,172.47 × 223,046.49
  4. Step 4: Simplify right side
    386,429.97x = 118,922,246,882.90
  5. Step 5: Solve for x
    x = 118,922,246,882.90/386,429.97
  6. Step 6: Final answer
    x = 307,745.92

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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.