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Finding the Fourth Proportional to 451,012.80, 676,518.74 and 184,773.79

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Solution

The fourth proportional to 451,012.80, 676,518.74 and 184,773.79 is: 277,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,012.80 : 676,518.74 = 184,773.79 : x
  2. Step 2: Convert to fraction form
    451,012.80/676,518.74 = 184,773.79/x
  3. Step 3: Cross multiply
    451,012.80x = 676,518.74 × 184,773.79
  4. Step 4: Simplify right side
    451,012.80x = 125,002,932,363.25
  5. Step 5: Solve for x
    x = 125,002,932,363.25/451,012.80
  6. Step 6: Final answer
    x = 277,160.50

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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.