Home / 307,735.08-424,339.56-200,105.52

Finding the Fourth Proportional to 307,735.08, 424,339.56 and 200,105.52

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Solution

The fourth proportional to 307,735.08, 424,339.56 and 200,105.52 is: 275,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,735.08 : 424,339.56 = 200,105.52 : x
  2. Step 2: Convert to fraction form
    307,735.08/424,339.56 = 200,105.52/x
  3. Step 3: Cross multiply
    307,735.08x = 424,339.56 × 200,105.52
  4. Step 4: Simplify right side
    307,735.08x = 84,912,688,310.37
  5. Step 5: Solve for x
    x = 84,912,688,310.37/307,735.08
  6. Step 6: Final answer
    x = 275,927.88

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1.5x scale

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.