Home / 421,856.24-582,153.83-230,865.80

Finding the Fourth Proportional to 421,856.24, 582,153.83 and 230,865.80

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Solution

The fourth proportional to 421,856.24, 582,153.83 and 230,865.80 is: 318,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,856.24 : 582,153.83 = 230,865.80 : x
  2. Step 2: Convert to fraction form
    421,856.24/582,153.83 = 230,865.80/x
  3. Step 3: Cross multiply
    421,856.24x = 582,153.83 × 230,865.80
  4. Step 4: Simplify right side
    421,856.24x = 134,399,405,620.92
  5. Step 5: Solve for x
    x = 134,399,405,620.92/421,856.24
  6. Step 6: Final answer
    x = 318,590.54

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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.