Home / 373,780.53-515,884.01-222,887.25

Finding the Fourth Proportional to 373,780.53, 515,884.01 and 222,887.25

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Solution

The fourth proportional to 373,780.53, 515,884.01 and 222,887.25 is: 307,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,780.53 : 515,884.01 = 222,887.25 : x
  2. Step 2: Convert to fraction form
    373,780.53/515,884.01 = 222,887.25/x
  3. Step 3: Cross multiply
    373,780.53x = 515,884.01 × 222,887.25
  4. Step 4: Simplify right side
    373,780.53x = 114,983,967,193.44
  5. Step 5: Solve for x
    x = 114,983,967,193.44/373,780.53
  6. Step 6: Final answer
    x = 307,624.28

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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.