Home / 331,918.30-458,040.36-181,015.30

Finding the Fourth Proportional to 331,918.30, 458,040.36 and 181,015.30

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Solution

The fourth proportional to 331,918.30, 458,040.36 and 181,015.30 is: 249,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,918.30 : 458,040.36 = 181,015.30 : x
  2. Step 2: Convert to fraction form
    331,918.30/458,040.36 = 181,015.30/x
  3. Step 3: Cross multiply
    331,918.30x = 458,040.36 × 181,015.30
  4. Step 4: Simplify right side
    331,918.30x = 82,912,313,177.51
  5. Step 5: Solve for x
    x = 82,912,313,177.51/331,918.30
  6. Step 6: Final answer
    x = 249,797.35

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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.