Home / 215,518.39-323,277.37-57,742.54

Finding the Fourth Proportional to 215,518.39, 323,277.37 and 57,742.54

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Solution

The fourth proportional to 215,518.39, 323,277.37 and 57,742.54 is: 86,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,518.39 : 323,277.37 = 57,742.54 : x
  2. Step 2: Convert to fraction form
    215,518.39/323,277.37 = 57,742.54/x
  3. Step 3: Cross multiply
    215,518.39x = 323,277.37 × 57,742.54
  4. Step 4: Simplify right side
    215,518.39x = 18,666,856,468.32
  5. Step 5: Solve for x
    x = 18,666,856,468.32/215,518.39
  6. Step 6: Final answer
    x = 86,613.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.