Home / 330,733.89-496,321.47-120,371.76

Finding the Fourth Proportional to 330,733.89, 496,321.47 and 120,371.76

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Solution

The fourth proportional to 330,733.89, 496,321.47 and 120,371.76 is: 180,637.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,733.89 : 496,321.47 = 120,371.76 : x
  2. Step 2: Convert to fraction form
    330,733.89/496,321.47 = 120,371.76/x
  3. Step 3: Cross multiply
    330,733.89x = 496,321.47 × 120,371.76
  4. Step 4: Simplify right side
    330,733.89x = 59,743,088,869.69
  5. Step 5: Solve for x
    x = 59,743,088,869.69/330,733.89
  6. Step 6: Final answer
    x = 180,637.94

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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.