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Finding the Fourth Proportional to 305,610.37, 458,311.74 and 105,884.12

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Solution

The fourth proportional to 305,610.37, 458,311.74 and 105,884.12 is: 158,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,610.37 : 458,311.74 = 105,884.12 : x
  2. Step 2: Convert to fraction form
    305,610.37/458,311.74 = 105,884.12/x
  3. Step 3: Cross multiply
    305,610.37x = 458,311.74 × 105,884.12
  4. Step 4: Simplify right side
    305,610.37x = 48,527,936,024.28
  5. Step 5: Solve for x
    x = 48,527,936,024.28/305,610.37
  6. Step 6: Final answer
    x = 158,790.22

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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.