Home / 331,335.60-497,003.40-109,719.60

Finding the Fourth Proportional to 331,335.60, 497,003.40 and 109,719.60

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Solution

The fourth proportional to 331,335.60, 497,003.40 and 109,719.60 is: 164,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,335.60 : 497,003.40 = 109,719.60 : x
  2. Step 2: Convert to fraction form
    331,335.60/497,003.40 = 109,719.60/x
  3. Step 3: Cross multiply
    331,335.60x = 497,003.40 × 109,719.60
  4. Step 4: Simplify right side
    331,335.60x = 54,531,014,246.64
  5. Step 5: Solve for x
    x = 54,531,014,246.64/331,335.60
  6. Step 6: Final answer
    x = 164,579.40

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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.