Home / 331,837.60-497,698.80-121,367.20

Finding the Fourth Proportional to 331,837.60, 497,698.80 and 121,367.20

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Solution

The fourth proportional to 331,837.60, 497,698.80 and 121,367.20 is: 182,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,837.60 : 497,698.80 = 121,367.20 : x
  2. Step 2: Convert to fraction form
    331,837.60/497,698.80 = 121,367.20/x
  3. Step 3: Cross multiply
    331,837.60x = 497,698.80 × 121,367.20
  4. Step 4: Simplify right side
    331,837.60x = 60,404,309,799.36
  5. Step 5: Solve for x
    x = 60,404,309,799.36/331,837.60
  6. Step 6: Final answer
    x = 182,029.73

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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.