Home / 331,529.46-457,148.63-223,912.67

Finding the Fourth Proportional to 331,529.46, 457,148.63 and 223,912.67

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Solution

The fourth proportional to 331,529.46, 457,148.63 and 223,912.67 is: 308,754.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,529.46 : 457,148.63 = 223,912.67 : x
  2. Step 2: Convert to fraction form
    331,529.46/457,148.63 = 223,912.67/x
  3. Step 3: Cross multiply
    331,529.46x = 457,148.63 × 223,912.67
  4. Step 4: Simplify right side
    331,529.46x = 102,361,366,924.84
  5. Step 5: Solve for x
    x = 102,361,366,924.84/331,529.46
  6. Step 6: Final answer
    x = 308,754.97

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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.