Home / 217,400.40-325,663.20-146,541.60

Finding the Fourth Proportional to 217,400.40, 325,663.20 and 146,541.60

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Solution

The fourth proportional to 217,400.40, 325,663.20 and 146,541.60 is: 219,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,400.40 : 325,663.20 = 146,541.60 : x
  2. Step 2: Convert to fraction form
    217,400.40/325,663.20 = 146,541.60/x
  3. Step 3: Cross multiply
    217,400.40x = 325,663.20 × 146,541.60
  4. Step 4: Simplify right side
    217,400.40x = 47,723,206,389.12
  5. Step 5: Solve for x
    x = 47,723,206,389.12/217,400.40
  6. Step 6: Final answer
    x = 219,517.56

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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.