Home / 408,272.46-563,366.74-226,961.16

Finding the Fourth Proportional to 408,272.46, 563,366.74 and 226,961.16

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Solution

The fourth proportional to 408,272.46, 563,366.74 and 226,961.16 is: 313,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,272.46 : 563,366.74 = 226,961.16 : x
  2. Step 2: Convert to fraction form
    408,272.46/563,366.74 = 226,961.16/x
  3. Step 3: Cross multiply
    408,272.46x = 563,366.74 × 226,961.16
  4. Step 4: Simplify right side
    408,272.46x = 127,862,368,815.82
  5. Step 5: Solve for x
    x = 127,862,368,815.82/408,272.46
  6. Step 6: Final answer
    x = 313,179.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.