Home / 300,536.12-415,292.46-215,518.52

Finding the Fourth Proportional to 300,536.12, 415,292.46 and 215,518.52

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Solution

The fourth proportional to 300,536.12, 415,292.46 and 215,518.52 is: 297,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,536.12 : 415,292.46 = 215,518.52 : x
  2. Step 2: Convert to fraction form
    300,536.12/415,292.46 = 215,518.52/x
  3. Step 3: Cross multiply
    300,536.12x = 415,292.46 × 215,518.52
  4. Step 4: Simplify right side
    300,536.12x = 89,503,216,346.36
  5. Step 5: Solve for x
    x = 89,503,216,346.36/300,536.12
  6. Step 6: Final answer
    x = 297,811.84

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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.