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Finding the Fourth Proportional to 344,410.47, 475,259.13 and 191,436.66

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Solution

The fourth proportional to 344,410.47, 475,259.13 and 191,436.66 is: 264,167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,410.47 : 475,259.13 = 191,436.66 : x
  2. Step 2: Convert to fraction form
    344,410.47/475,259.13 = 191,436.66/x
  3. Step 3: Cross multiply
    344,410.47x = 475,259.13 × 191,436.66
  4. Step 4: Simplify right side
    344,410.47x = 90,982,020,481.71
  5. Step 5: Solve for x
    x = 90,982,020,481.71/344,410.47
  6. Step 6: Final answer
    x = 264,167.41

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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.