Home / 449,224.86-619,921.17-258,236.58

Finding the Fourth Proportional to 449,224.86, 619,921.17 and 258,236.58

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Solution

The fourth proportional to 449,224.86, 619,921.17 and 258,236.58 is: 356,361.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,224.86 : 619,921.17 = 258,236.58 : x
  2. Step 2: Convert to fraction form
    449,224.86/619,921.17 = 258,236.58/x
  3. Step 3: Cross multiply
    449,224.86x = 619,921.17 × 258,236.58
  4. Step 4: Simplify right side
    449,224.86x = 160,086,322,810.40
  5. Step 5: Solve for x
    x = 160,086,322,810.40/449,224.86
  6. Step 6: Final answer
    x = 356,361.23

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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.