Home / 421,825.75-582,145.24-240,572.66

Finding the Fourth Proportional to 421,825.75, 582,145.24 and 240,572.66

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Solution

The fourth proportional to 421,825.75, 582,145.24 and 240,572.66 is: 332,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,825.75 : 582,145.24 = 240,572.66 : x
  2. Step 2: Convert to fraction form
    421,825.75/582,145.24 = 240,572.66/x
  3. Step 3: Cross multiply
    421,825.75x = 582,145.24 × 240,572.66
  4. Step 4: Simplify right side
    421,825.75x = 140,048,225,982.41
  5. Step 5: Solve for x
    x = 140,048,225,982.41/421,825.75
  6. Step 6: Final answer
    x = 332,004.93

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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.