Home / 220,867.30-331,344.15-94,507.30

Finding the Fourth Proportional to 220,867.30, 331,344.15 and 94,507.30

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Solution

The fourth proportional to 220,867.30, 331,344.15 and 94,507.30 is: 141,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,867.30 : 331,344.15 = 94,507.30 : x
  2. Step 2: Convert to fraction form
    220,867.30/331,344.15 = 94,507.30/x
  3. Step 3: Cross multiply
    220,867.30x = 331,344.15 × 94,507.30
  4. Step 4: Simplify right side
    220,867.30x = 31,314,440,987.30
  5. Step 5: Solve for x
    x = 31,314,440,987.30/220,867.30
  6. Step 6: Final answer
    x = 141,779.43

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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.