Home / 217,313.24-325,802.19-82,375.34

Finding the Fourth Proportional to 217,313.24, 325,802.19 and 82,375.34

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Solution

The fourth proportional to 217,313.24, 325,802.19 and 82,375.34 is: 123,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,313.24 : 325,802.19 = 82,375.34 : x
  2. Step 2: Convert to fraction form
    217,313.24/325,802.19 = 82,375.34/x
  3. Step 3: Cross multiply
    217,313.24x = 325,802.19 × 82,375.34
  4. Step 4: Simplify right side
    217,313.24x = 26,838,066,173.99
  5. Step 5: Solve for x
    x = 26,838,066,173.99/217,313.24
  6. Step 6: Final answer
    x = 123,499.45

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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.