Home / 470,976.54-649,952.19-256,121.25

Finding the Fourth Proportional to 470,976.54, 649,952.19 and 256,121.25

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Solution

The fourth proportional to 470,976.54, 649,952.19 and 256,121.25 is: 353,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,976.54 : 649,952.19 = 256,121.25 : x
  2. Step 2: Convert to fraction form
    470,976.54/649,952.19 = 256,121.25/x
  3. Step 3: Cross multiply
    470,976.54x = 649,952.19 × 256,121.25
  4. Step 4: Simplify right side
    470,976.54x = 166,466,567,343.04
  5. Step 5: Solve for x
    x = 166,466,567,343.04/470,976.54
  6. Step 6: Final answer
    x = 353,449.81

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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.