Home / 471,004.23-649,979.70-256,139.67

Finding the Fourth Proportional to 471,004.23, 649,979.70 and 256,139.67

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Solution

The fourth proportional to 471,004.23, 649,979.70 and 256,139.67 is: 353,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,004.23 : 649,979.70 = 256,139.67 : x
  2. Step 2: Convert to fraction form
    471,004.23/649,979.70 = 256,139.67/x
  3. Step 3: Cross multiply
    471,004.23x = 649,979.70 × 256,139.67
  4. Step 4: Simplify right side
    471,004.23x = 166,485,585,864.70
  5. Step 5: Solve for x
    x = 166,485,585,864.70/471,004.23
  6. Step 6: Final answer
    x = 353,469.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.