Home / 355,336.85-490,364.06-202,375.04

Finding the Fourth Proportional to 355,336.85, 490,364.06 and 202,375.04

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Solution

The fourth proportional to 355,336.85, 490,364.06 and 202,375.04 is: 279,277.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,336.85 : 490,364.06 = 202,375.04 : x
  2. Step 2: Convert to fraction form
    355,336.85/490,364.06 = 202,375.04/x
  3. Step 3: Cross multiply
    355,336.85x = 490,364.06 × 202,375.04
  4. Step 4: Simplify right side
    355,336.85x = 99,237,442,793.37
  5. Step 5: Solve for x
    x = 99,237,442,793.37/355,336.85
  6. Step 6: Final answer
    x = 279,277.09

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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.