Home / 330,823.40-496,235.10-204,564.20

Finding the Fourth Proportional to 330,823.40, 496,235.10 and 204,564.20

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Solution

The fourth proportional to 330,823.40, 496,235.10 and 204,564.20 is: 306,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,823.40 : 496,235.10 = 204,564.20 : x
  2. Step 2: Convert to fraction form
    330,823.40/496,235.10 = 204,564.20/x
  3. Step 3: Cross multiply
    330,823.40x = 496,235.10 × 204,564.20
  4. Step 4: Simplify right side
    330,823.40x = 101,511,936,243.42
  5. Step 5: Solve for x
    x = 101,511,936,243.42/330,823.40
  6. Step 6: Final answer
    x = 306,846.30

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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.