Home / 421,811.04-582,099.28-230,824.46

Finding the Fourth Proportional to 421,811.04, 582,099.28 and 230,824.46

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Solution

The fourth proportional to 421,811.04, 582,099.28 and 230,824.46 is: 318,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,811.04 : 582,099.28 = 230,824.46 : x
  2. Step 2: Convert to fraction form
    421,811.04/582,099.28 = 230,824.46/x
  3. Step 3: Cross multiply
    421,811.04x = 582,099.28 × 230,824.46
  4. Step 4: Simplify right side
    421,811.04x = 134,362,751,972.39
  5. Step 5: Solve for x
    x = 134,362,751,972.39/421,811.04
  6. Step 6: Final answer
    x = 318,537.78

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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.