Home / 263,038.86-394,616.75-122,720.94

Finding the Fourth Proportional to 263,038.86, 394,616.75 and 122,720.94

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Solution

The fourth proportional to 263,038.86, 394,616.75 and 122,720.94 is: 184,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,038.86 : 394,616.75 = 122,720.94 : x
  2. Step 2: Convert to fraction form
    263,038.86/394,616.75 = 122,720.94/x
  3. Step 3: Cross multiply
    263,038.86x = 394,616.75 × 122,720.94
  4. Step 4: Simplify right side
    263,038.86x = 48,427,737,886.14
  5. Step 5: Solve for x
    x = 48,427,737,886.14/263,038.86
  6. Step 6: Final answer
    x = 184,108.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.