Home / 276,867.30-382,092.75-169,407.30

Finding the Fourth Proportional to 276,867.30, 382,092.75 and 169,407.30

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Solution

The fourth proportional to 276,867.30, 382,092.75 and 169,407.30 is: 233,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,867.30 : 382,092.75 = 169,407.30 : x
  2. Step 2: Convert to fraction form
    276,867.30/382,092.75 = 169,407.30/x
  3. Step 3: Cross multiply
    276,867.30x = 382,092.75 × 169,407.30
  4. Step 4: Simplify right side
    276,867.30x = 64,729,301,127.08
  5. Step 5: Solve for x
    x = 64,729,301,127.08/276,867.30
  6. Step 6: Final answer
    x = 233,791.79

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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.