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Finding the Fourth Proportional to 354,064.89, 488,603.37 and 192,921.27

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Solution

The fourth proportional to 354,064.89, 488,603.37 and 192,921.27 is: 266,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,064.89 : 488,603.37 = 192,921.27 : x
  2. Step 2: Convert to fraction form
    354,064.89/488,603.37 = 192,921.27/x
  3. Step 3: Cross multiply
    354,064.89x = 488,603.37 × 192,921.27
  4. Step 4: Simplify right side
    354,064.89x = 94,261,982,666.68
  5. Step 5: Solve for x
    x = 94,261,982,666.68/354,064.89
  6. Step 6: Final answer
    x = 266,227.99

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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.