Home / 386,633.30-580,374.19-307,181.97

Finding the Fourth Proportional to 386,633.30, 580,374.19 and 307,181.97

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Solution

The fourth proportional to 386,633.30, 580,374.19 and 307,181.97 is: 461,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,633.30 : 580,374.19 = 307,181.97 : x
  2. Step 2: Convert to fraction form
    386,633.30/580,374.19 = 307,181.97/x
  3. Step 3: Cross multiply
    386,633.30x = 580,374.19 × 307,181.97
  4. Step 4: Simplify right side
    386,633.30x = 178,280,487,021.35
  5. Step 5: Solve for x
    x = 178,280,487,021.35/386,633.30
  6. Step 6: Final answer
    x = 461,110.02

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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.