Home / 231,992.08-320,303.28-178,180.96

Finding the Fourth Proportional to 231,992.08, 320,303.28 and 178,180.96

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Solution

The fourth proportional to 231,992.08, 320,303.28 and 178,180.96 is: 246,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,992.08 : 320,303.28 = 178,180.96 : x
  2. Step 2: Convert to fraction form
    231,992.08/320,303.28 = 178,180.96/x
  3. Step 3: Cross multiply
    231,992.08x = 320,303.28 × 178,180.96
  4. Step 4: Simplify right side
    231,992.08x = 57,071,945,921.55
  5. Step 5: Solve for x
    x = 57,071,945,921.55/231,992.08
  6. Step 6: Final answer
    x = 246,008.17

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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.