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Finding the Fourth Proportional to 454,111, 626,692.62 and 252,907

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Solution

The fourth proportional to 454,111, 626,692.62 and 252,907 is: 349,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,111 : 626,692.62 = 252,907 : x
  2. Step 2: Convert to fraction form
    454,111/626,692.62 = 252,907/x
  3. Step 3: Cross multiply
    454,111x = 626,692.62 × 252,907
  4. Step 4: Simplify right side
    454,111x = 158,494,950,446.34
  5. Step 5: Solve for x
    x = 158,494,950,446.34/454,111
  6. Step 6: Final answer
    x = 349,022.49

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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.