Home / 305,375.22-458,094.21-105,695.28

Finding the Fourth Proportional to 305,375.22, 458,094.21 and 105,695.28

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Solution

The fourth proportional to 305,375.22, 458,094.21 and 105,695.28 is: 158,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,375.22 : 458,094.21 = 105,695.28 : x
  2. Step 2: Convert to fraction form
    305,375.22/458,094.21 = 105,695.28/x
  3. Step 3: Cross multiply
    305,375.22x = 458,094.21 × 105,695.28
  4. Step 4: Simplify right side
    305,375.22x = 48,418,395,792.33
  5. Step 5: Solve for x
    x = 48,418,395,792.33/305,375.22
  6. Step 6: Final answer
    x = 158,553.78

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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.