Home / 286,600.20-394,464.24-252,384.60

Finding the Fourth Proportional to 286,600.20, 394,464.24 and 252,384.60

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Solution

The fourth proportional to 286,600.20, 394,464.24 and 252,384.60 is: 347,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,600.20 : 394,464.24 = 252,384.60 : x
  2. Step 2: Convert to fraction form
    286,600.20/394,464.24 = 252,384.60/x
  3. Step 3: Cross multiply
    286,600.20x = 394,464.24 × 252,384.60
  4. Step 4: Simplify right side
    286,600.20x = 99,556,699,426.70
  5. Step 5: Solve for x
    x = 99,556,699,426.70/286,600.20
  6. Step 6: Final answer
    x = 347,371.35

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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.