Home / 330,827.80-496,241.70-204,856.60

Finding the Fourth Proportional to 330,827.80, 496,241.70 and 204,856.60

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Solution

The fourth proportional to 330,827.80, 496,241.70 and 204,856.60 is: 307,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,827.80 : 496,241.70 = 204,856.60 : x
  2. Step 2: Convert to fraction form
    330,827.80/496,241.70 = 204,856.60/x
  3. Step 3: Cross multiply
    330,827.80x = 496,241.70 × 204,856.60
  4. Step 4: Simplify right side
    330,827.80x = 101,658,387,440.22
  5. Step 5: Solve for x
    x = 101,658,387,440.22/330,827.80
  6. Step 6: Final answer
    x = 307,284.90

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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.