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Finding the Fourth Proportional to 449,524.50, 620,361.63 and 258,537.66

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Solution

The fourth proportional to 449,524.50, 620,361.63 and 258,537.66 is: 356,792.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,524.50 : 620,361.63 = 258,537.66 : x
  2. Step 2: Convert to fraction form
    449,524.50/620,361.63 = 258,537.66/x
  3. Step 3: Cross multiply
    449,524.50x = 620,361.63 × 258,537.66
  4. Step 4: Simplify right side
    449,524.50x = 160,386,844,173.99
  5. Step 5: Solve for x
    x = 160,386,844,173.99/449,524.50
  6. Step 6: Final answer
    x = 356,792.22

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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.