Home / 368,121.48-552,166.38-115,396.29

Finding the Fourth Proportional to 368,121.48, 552,166.38 and 115,396.29

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Solution

The fourth proportional to 368,121.48, 552,166.38 and 115,396.29 is: 173,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,121.48 : 552,166.38 = 115,396.29 : x
  2. Step 2: Convert to fraction form
    368,121.48/552,166.38 = 115,396.29/x
  3. Step 3: Cross multiply
    368,121.48x = 552,166.38 × 115,396.29
  4. Step 4: Simplify right side
    368,121.48x = 63,717,951,714.73
  5. Step 5: Solve for x
    x = 63,717,951,714.73/368,121.48
  6. Step 6: Final answer
    x = 173,089.47

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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.