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Finding the Fourth Proportional to 449,466.22, 620,388.48 and 258,541.12

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Solution

The fourth proportional to 449,466.22, 620,388.48 and 258,541.12 is: 356,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,466.22 : 620,388.48 = 258,541.12 : x
  2. Step 2: Convert to fraction form
    449,466.22/620,388.48 = 258,541.12/x
  3. Step 3: Cross multiply
    449,466.22x = 620,388.48 × 258,541.12
  4. Step 4: Simplify right side
    449,466.22x = 160,395,932,454.30
  5. Step 5: Solve for x
    x = 160,395,932,454.30/449,466.22
  6. Step 6: Final answer
    x = 356,858.70

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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.