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Finding the Fourth Proportional to 262,938.84, 394,408.26 and 63,259.22

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Solution

The fourth proportional to 262,938.84, 394,408.26 and 63,259.22 is: 94,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,938.84 : 394,408.26 = 63,259.22 : x
  2. Step 2: Convert to fraction form
    262,938.84/394,408.26 = 63,259.22/x
  3. Step 3: Cross multiply
    262,938.84x = 394,408.26 × 63,259.22
  4. Step 4: Simplify right side
    262,938.84x = 24,949,958,396.15
  5. Step 5: Solve for x
    x = 24,949,958,396.15/262,938.84
  6. Step 6: Final answer
    x = 94,888.83

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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.