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Finding the Fourth Proportional to 557,850.31, 836,442.86 and 220,939.31

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Solution

The fourth proportional to 557,850.31, 836,442.86 and 220,939.31 is: 331,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,850.31 : 836,442.86 = 220,939.31 : x
  2. Step 2: Convert to fraction form
    557,850.31/836,442.86 = 220,939.31/x
  3. Step 3: Cross multiply
    557,850.31x = 836,442.86 × 220,939.31
  4. Step 4: Simplify right side
    557,850.31x = 184,803,109,329.24
  5. Step 5: Solve for x
    x = 184,803,109,329.24/557,850.31
  6. Step 6: Final answer
    x = 331,277.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.