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Finding the Fourth Proportional to 373,249.72, 515,094.42 and 230,104.36

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Solution

The fourth proportional to 373,249.72, 515,094.42 and 230,104.36 is: 317,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,249.72 : 515,094.42 = 230,104.36 : x
  2. Step 2: Convert to fraction form
    373,249.72/515,094.42 = 230,104.36/x
  3. Step 3: Cross multiply
    373,249.72x = 515,094.42 × 230,104.36
  4. Step 4: Simplify right side
    373,249.72x = 118,525,471,853.67
  5. Step 5: Solve for x
    x = 118,525,471,853.67/373,249.72
  6. Step 6: Final answer
    x = 317,550.06

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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.