Home / 300,899.52-415,226.79-180,107.46

Finding the Fourth Proportional to 300,899.52, 415,226.79 and 180,107.46

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Solution

The fourth proportional to 300,899.52, 415,226.79 and 180,107.46 is: 248,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,899.52 : 415,226.79 = 180,107.46 : x
  2. Step 2: Convert to fraction form
    300,899.52/415,226.79 = 180,107.46/x
  3. Step 3: Cross multiply
    300,899.52x = 415,226.79 × 180,107.46
  4. Step 4: Simplify right side
    300,899.52x = 74,785,442,470.85
  5. Step 5: Solve for x
    x = 74,785,442,470.85/300,899.52
  6. Step 6: Final answer
    x = 248,539.59

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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.