Home / 204,813.20-307,219.80-195,136.40

Finding the Fourth Proportional to 204,813.20, 307,219.80 and 195,136.40

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Solution

The fourth proportional to 204,813.20, 307,219.80 and 195,136.40 is: 292,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,813.20 : 307,219.80 = 195,136.40 : x
  2. Step 2: Convert to fraction form
    204,813.20/307,219.80 = 195,136.40/x
  3. Step 3: Cross multiply
    204,813.20x = 307,219.80 × 195,136.40
  4. Step 4: Simplify right side
    204,813.20x = 59,949,765,780.72
  5. Step 5: Solve for x
    x = 59,949,765,780.72/204,813.20
  6. Step 6: Final answer
    x = 292,704.60

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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.