Home / 380,945.42-571,513.31-268,844.46

Finding the Fourth Proportional to 380,945.42, 571,513.31 and 268,844.46

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Solution

The fourth proportional to 380,945.42, 571,513.31 and 268,844.46 is: 403,333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,945.42 : 571,513.31 = 268,844.46 : x
  2. Step 2: Convert to fraction form
    380,945.42/571,513.31 = 268,844.46/x
  3. Step 3: Cross multiply
    380,945.42x = 571,513.31 × 268,844.46
  4. Step 4: Simplify right side
    380,945.42x = 153,648,185,865.54
  5. Step 5: Solve for x
    x = 153,648,185,865.54/380,945.42
  6. Step 6: Final answer
    x = 403,333.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.