Home / 301,922.52-415,932.96-211,108.56

Finding the Fourth Proportional to 301,922.52, 415,932.96 and 211,108.56

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Solution

The fourth proportional to 301,922.52, 415,932.96 and 211,108.56 is: 290,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,922.52 : 415,932.96 = 211,108.56 : x
  2. Step 2: Convert to fraction form
    301,922.52/415,932.96 = 211,108.56/x
  3. Step 3: Cross multiply
    301,922.52x = 415,932.96 × 211,108.56
  4. Step 4: Simplify right side
    301,922.52x = 87,807,008,242.14
  5. Step 5: Solve for x
    x = 87,807,008,242.14/301,922.52
  6. Step 6: Final answer
    x = 290,826.30

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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.