Home / 231,207.40-346,926.30-131,444.20

Finding the Fourth Proportional to 231,207.40, 346,926.30 and 131,444.20

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Solution

The fourth proportional to 231,207.40, 346,926.30 and 131,444.20 is: 197,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,207.40 : 346,926.30 = 131,444.20 : x
  2. Step 2: Convert to fraction form
    231,207.40/346,926.30 = 131,444.20/x
  3. Step 3: Cross multiply
    231,207.40x = 346,926.30 × 131,444.20
  4. Step 4: Simplify right side
    231,207.40x = 45,601,449,962.46
  5. Step 5: Solve for x
    x = 45,601,449,962.46/231,207.40
  6. Step 6: Final answer
    x = 197,231.79

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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.