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Finding the Fourth Proportional to 505,633.26, 758,156.46 and 239,391.54

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Solution

The fourth proportional to 505,633.26, 758,156.46 and 239,391.54 is: 358,948.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,633.26 : 758,156.46 = 239,391.54 : x
  2. Step 2: Convert to fraction form
    505,633.26/758,156.46 = 239,391.54/x
  3. Step 3: Cross multiply
    505,633.26x = 758,156.46 × 239,391.54
  4. Step 4: Simplify right side
    505,633.26x = 181,496,242,520.35
  5. Step 5: Solve for x
    x = 181,496,242,520.35/505,633.26
  6. Step 6: Final answer
    x = 358,948.39

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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.