Home / 421,771.38-582,051.79-230,787.96

Finding the Fourth Proportional to 421,771.38, 582,051.79 and 230,787.96

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Solution

The fourth proportional to 421,771.38, 582,051.79 and 230,787.96 is: 318,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,771.38 : 582,051.79 = 230,787.96 : x
  2. Step 2: Convert to fraction form
    421,771.38/582,051.79 = 230,787.96/x
  3. Step 3: Cross multiply
    421,771.38x = 582,051.79 × 230,787.96
  4. Step 4: Simplify right side
    421,771.38x = 134,330,545,228.45
  5. Step 5: Solve for x
    x = 134,330,545,228.45/421,771.38
  6. Step 6: Final answer
    x = 318,491.37

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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.