Home / 305,583.30-458,377.56-115,992.78

Finding the Fourth Proportional to 305,583.30, 458,377.56 and 115,992.78

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Solution

The fourth proportional to 305,583.30, 458,377.56 and 115,992.78 is: 173,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,583.30 : 458,377.56 = 115,992.78 : x
  2. Step 2: Convert to fraction form
    305,583.30/458,377.56 = 115,992.78/x
  3. Step 3: Cross multiply
    305,583.30x = 458,377.56 × 115,992.78
  4. Step 4: Simplify right side
    305,583.30x = 53,168,487,474.02
  5. Step 5: Solve for x
    x = 53,168,487,474.02/305,583.30
  6. Step 6: Final answer
    x = 173,990.16

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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.