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Finding the Fourth Proportional to 472,750.50, 652,450.32 and 263,219.49

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Solution

The fourth proportional to 472,750.50, 652,450.32 and 263,219.49 is: 363,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,750.50 : 652,450.32 = 263,219.49 : x
  2. Step 2: Convert to fraction form
    472,750.50/652,450.32 = 263,219.49/x
  3. Step 3: Cross multiply
    472,750.50x = 652,450.32 × 263,219.49
  4. Step 4: Simplify right side
    472,750.50x = 171,737,640,480.74
  5. Step 5: Solve for x
    x = 171,737,640,480.74/472,750.50
  6. Step 6: Final answer
    x = 363,273.31

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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.