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Finding the Fourth Proportional to 344,799.63, 475,712.73 and 208,790.10

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Solution

The fourth proportional to 344,799.63, 475,712.73 and 208,790.10 is: 288,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,799.63 : 475,712.73 = 208,790.10 : x
  2. Step 2: Convert to fraction form
    344,799.63/475,712.73 = 208,790.10/x
  3. Step 3: Cross multiply
    344,799.63x = 475,712.73 × 208,790.10
  4. Step 4: Simplify right side
    344,799.63x = 99,324,108,467.97
  5. Step 5: Solve for x
    x = 99,324,108,467.97/344,799.63
  6. Step 6: Final answer
    x = 288,063.27

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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.