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Finding the Fourth Proportional to 408,262.77, 563,370.62 and 226,963.67

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Solution

The fourth proportional to 408,262.77, 563,370.62 and 226,963.67 is: 313,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,262.77 : 563,370.62 = 226,963.67 : x
  2. Step 2: Convert to fraction form
    408,262.77/563,370.62 = 226,963.67/x
  3. Step 3: Cross multiply
    408,262.77x = 563,370.62 × 226,963.67
  4. Step 4: Simplify right side
    408,262.77x = 127,864,659,533.70
  5. Step 5: Solve for x
    x = 127,864,659,533.70/408,262.77
  6. Step 6: Final answer
    x = 313,192.06

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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.