Home / 330,822.70-496,234.05-190,465.90

Finding the Fourth Proportional to 330,822.70, 496,234.05 and 190,465.90

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Solution

The fourth proportional to 330,822.70, 496,234.05 and 190,465.90 is: 285,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,822.70 : 496,234.05 = 190,465.90 : x
  2. Step 2: Convert to fraction form
    330,822.70/496,234.05 = 190,465.90/x
  3. Step 3: Cross multiply
    330,822.70x = 496,234.05 × 190,465.90
  4. Step 4: Simplify right side
    330,822.70x = 94,515,664,943.90
  5. Step 5: Solve for x
    x = 94,515,664,943.90/330,822.70
  6. Step 6: Final answer
    x = 285,698.85

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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.