Home / 351,039.10-484,337.73-223,609.90

Finding the Fourth Proportional to 351,039.10, 484,337.73 and 223,609.90

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Solution

The fourth proportional to 351,039.10, 484,337.73 and 223,609.90 is: 308,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,039.10 : 484,337.73 = 223,609.90 : x
  2. Step 2: Convert to fraction form
    351,039.10/484,337.73 = 223,609.90/x
  3. Step 3: Cross multiply
    351,039.10x = 484,337.73 × 223,609.90
  4. Step 4: Simplify right side
    351,039.10x = 108,302,711,371.53
  5. Step 5: Solve for x
    x = 108,302,711,371.53/351,039.10
  6. Step 6: Final answer
    x = 308,520.37

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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.