Home / 309,517.34-464,276.16-204,311.72

Finding the Fourth Proportional to 309,517.34, 464,276.16 and 204,311.72

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Solution

The fourth proportional to 309,517.34, 464,276.16 and 204,311.72 is: 306,467.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,517.34 : 464,276.16 = 204,311.72 : x
  2. Step 2: Convert to fraction form
    309,517.34/464,276.16 = 204,311.72/x
  3. Step 3: Cross multiply
    309,517.34x = 464,276.16 × 204,311.72
  4. Step 4: Simplify right side
    309,517.34x = 94,857,060,804.60
  5. Step 5: Solve for x
    x = 94,857,060,804.60/309,517.34
  6. Step 6: Final answer
    x = 306,467.68

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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.