Home / 303,690.20-455,535.30-204,157.40

Finding the Fourth Proportional to 303,690.20, 455,535.30 and 204,157.40

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Solution

The fourth proportional to 303,690.20, 455,535.30 and 204,157.40 is: 306,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,690.20 : 455,535.30 = 204,157.40 : x
  2. Step 2: Convert to fraction form
    303,690.20/455,535.30 = 204,157.40/x
  3. Step 3: Cross multiply
    303,690.20x = 455,535.30 × 204,157.40
  4. Step 4: Simplify right side
    303,690.20x = 93,000,902,456.22
  5. Step 5: Solve for x
    x = 93,000,902,456.22/303,690.20
  6. Step 6: Final answer
    x = 306,236.10

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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.