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Finding the Fourth Proportional to 467,153.67, 644,648.22 and 263,216.64

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Solution

The fourth proportional to 467,153.67, 644,648.22 and 263,216.64 is: 363,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,153.67 : 644,648.22 = 263,216.64 : x
  2. Step 2: Convert to fraction form
    467,153.67/644,648.22 = 263,216.64/x
  3. Step 3: Cross multiply
    467,153.67x = 644,648.22 × 263,216.64
  4. Step 4: Simplify right side
    467,153.67x = 169,682,138,450.38
  5. Step 5: Solve for x
    x = 169,682,138,450.38/467,153.67
  6. Step 6: Final answer
    x = 363,225.53

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1.5x scale

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.