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Finding the Fourth Proportional to 449,692.59, 620,502.11 and 265,905.62

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Solution

The fourth proportional to 449,692.59, 620,502.11 and 265,905.62 is: 366,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,692.59 : 620,502.11 = 265,905.62 : x
  2. Step 2: Convert to fraction form
    449,692.59/620,502.11 = 265,905.62/x
  3. Step 3: Cross multiply
    449,692.59x = 620,502.11 × 265,905.62
  4. Step 4: Simplify right side
    449,692.59x = 164,994,993,838.82
  5. Step 5: Solve for x
    x = 164,994,993,838.82/449,692.59
  6. Step 6: Final answer
    x = 366,906.19

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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.