Home / 330,864.80-496,297.20-204,893.60

Finding the Fourth Proportional to 330,864.80, 496,297.20 and 204,893.60

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Solution

The fourth proportional to 330,864.80, 496,297.20 and 204,893.60 is: 307,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,864.80 : 496,297.20 = 204,893.60 : x
  2. Step 2: Convert to fraction form
    330,864.80/496,297.20 = 204,893.60/x
  3. Step 3: Cross multiply
    330,864.80x = 496,297.20 × 204,893.60
  4. Step 4: Simplify right side
    330,864.80x = 101,688,119,977.92
  5. Step 5: Solve for x
    x = 101,688,119,977.92/330,864.80
  6. Step 6: Final answer
    x = 307,340.40

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1.5x scale

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.