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Finding the Fourth Proportional to 448,690.48, 619,194.81 and 244,745.77

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Solution

The fourth proportional to 448,690.48, 619,194.81 and 244,745.77 is: 337,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,690.48 : 619,194.81 = 244,745.77 : x
  2. Step 2: Convert to fraction form
    448,690.48/619,194.81 = 244,745.77/x
  3. Step 3: Cross multiply
    448,690.48x = 619,194.81 × 244,745.77
  4. Step 4: Simplify right side
    448,690.48x = 151,545,310,553.45
  5. Step 5: Solve for x
    x = 151,545,310,553.45/448,690.48
  6. Step 6: Final answer
    x = 337,750.22

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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.