Home / 330,879.17-496,076.79-106,111.66

Finding the Fourth Proportional to 330,879.17, 496,076.79 and 106,111.66

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Solution

The fourth proportional to 330,879.17, 496,076.79 and 106,111.66 is: 159,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,879.17 : 496,076.79 = 106,111.66 : x
  2. Step 2: Convert to fraction form
    330,879.17/496,076.79 = 106,111.66/x
  3. Step 3: Cross multiply
    330,879.17x = 496,076.79 × 106,111.66
  4. Step 4: Simplify right side
    330,879.17x = 52,639,531,143.81
  5. Step 5: Solve for x
    x = 52,639,531,143.81/330,879.17
  6. Step 6: Final answer
    x = 159,089.89

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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.