Home / 345,511.46-476,822.06-202,317.64

Finding the Fourth Proportional to 345,511.46, 476,822.06 and 202,317.64

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Solution

The fourth proportional to 345,511.46, 476,822.06 and 202,317.64 is: 279,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,511.46 : 476,822.06 = 202,317.64 : x
  2. Step 2: Convert to fraction form
    345,511.46/476,822.06 = 202,317.64/x
  3. Step 3: Cross multiply
    345,511.46x = 476,822.06 × 202,317.64
  4. Step 4: Simplify right side
    345,511.46x = 96,469,513,879.14
  5. Step 5: Solve for x
    x = 96,469,513,879.14/345,511.46
  6. Step 6: Final answer
    x = 279,207.86

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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.