Home / 231,018.60-346,540.86-218,451.72

Finding the Fourth Proportional to 231,018.60, 346,540.86 and 218,451.72

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Solution

The fourth proportional to 231,018.60, 346,540.86 and 218,451.72 is: 327,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,018.60 : 346,540.86 = 218,451.72 : x
  2. Step 2: Convert to fraction form
    231,018.60/346,540.86 = 218,451.72/x
  3. Step 3: Cross multiply
    231,018.60x = 346,540.86 × 218,451.72
  4. Step 4: Simplify right side
    231,018.60x = 75,702,446,917.28
  5. Step 5: Solve for x
    x = 75,702,446,917.28/231,018.60
  6. Step 6: Final answer
    x = 327,689.84

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1.5x scale

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.