Home / 408,039.45-563,108.09-226,759.02

Finding the Fourth Proportional to 408,039.45, 563,108.09 and 226,759.02

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Solution

The fourth proportional to 408,039.45, 563,108.09 and 226,759.02 is: 312,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,039.45 : 563,108.09 = 226,759.02 : x
  2. Step 2: Convert to fraction form
    408,039.45/563,108.09 = 226,759.02/x
  3. Step 3: Cross multiply
    408,039.45x = 563,108.09 × 226,759.02
  4. Step 4: Simplify right side
    408,039.45x = 127,689,837,937.40
  5. Step 5: Solve for x
    x = 127,689,837,937.40/408,039.45
  6. Step 6: Final answer
    x = 312,935.03

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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.