Home / 421,764.89-582,035.46-230,778.23

Finding the Fourth Proportional to 421,764.89, 582,035.46 and 230,778.23

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Solution

The fourth proportional to 421,764.89, 582,035.46 and 230,778.23 is: 318,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,764.89 : 582,035.46 = 230,778.23 : x
  2. Step 2: Convert to fraction form
    421,764.89/582,035.46 = 230,778.23/x
  3. Step 3: Cross multiply
    421,764.89x = 582,035.46 × 230,778.23
  4. Step 4: Simplify right side
    421,764.89x = 134,321,110,345.86
  5. Step 5: Solve for x
    x = 134,321,110,345.86/421,764.89
  6. Step 6: Final answer
    x = 318,473.91

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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.