Home / 231,305.86-319,025.96-199,095.28

Finding the Fourth Proportional to 231,305.86, 319,025.96 and 199,095.28

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Solution

The fourth proportional to 231,305.86, 319,025.96 and 199,095.28 is: 274,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,305.86 : 319,025.96 = 199,095.28 : x
  2. Step 2: Convert to fraction form
    231,305.86/319,025.96 = 199,095.28/x
  3. Step 3: Cross multiply
    231,305.86x = 319,025.96 × 199,095.28
  4. Step 4: Simplify right side
    231,305.86x = 63,516,562,833.47
  5. Step 5: Solve for x
    x = 63,516,562,833.47/231,305.86
  6. Step 6: Final answer
    x = 274,599.89

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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.