Home / 331,530.46-457,150-223,913.67

Finding the Fourth Proportional to 331,530.46, 457,150 and 223,913.67

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Solution

The fourth proportional to 331,530.46, 457,150 and 223,913.67 is: 308,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,530.46 : 457,150 = 223,913.67 : x
  2. Step 2: Convert to fraction form
    331,530.46/457,150 = 223,913.67/x
  3. Step 3: Cross multiply
    331,530.46x = 457,150 × 223,913.67
  4. Step 4: Simplify right side
    331,530.46x = 102,362,134,240.50
  5. Step 5: Solve for x
    x = 102,362,134,240.50/331,530.46
  6. Step 6: Final answer
    x = 308,756.35

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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.