Home / 217,050.40-325,138.20-146,191.60

Finding the Fourth Proportional to 217,050.40, 325,138.20 and 146,191.60

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Solution

The fourth proportional to 217,050.40, 325,138.20 and 146,191.60 is: 218,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,050.40 : 325,138.20 = 146,191.60 : x
  2. Step 2: Convert to fraction form
    217,050.40/325,138.20 = 146,191.60/x
  3. Step 3: Cross multiply
    217,050.40x = 325,138.20 × 146,191.60
  4. Step 4: Simplify right side
    217,050.40x = 47,532,473,679.12
  5. Step 5: Solve for x
    x = 47,532,473,679.12/217,050.40
  6. Step 6: Final answer
    x = 218,992.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.