Home / 330,864.80-496,297.20-307,536.80

Finding the Fourth Proportional to 330,864.80, 496,297.20 and 307,536.80

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Solution

The fourth proportional to 330,864.80, 496,297.20 and 307,536.80 is: 461,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,864.80 : 496,297.20 = 307,536.80 : x
  2. Step 2: Convert to fraction form
    330,864.80/496,297.20 = 307,536.80/x
  3. Step 3: Cross multiply
    330,864.80x = 496,297.20 × 307,536.80
  4. Step 4: Simplify right side
    330,864.80x = 152,629,652,736.96
  5. Step 5: Solve for x
    x = 152,629,652,736.96/330,864.80
  6. Step 6: Final answer
    x = 461,305.20

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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.