Home / 331,027.52-456,816.72-187,815.20

Finding the Fourth Proportional to 331,027.52, 456,816.72 and 187,815.20

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Solution

The fourth proportional to 331,027.52, 456,816.72 and 187,815.20 is: 259,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,027.52 : 456,816.72 = 187,815.20 : x
  2. Step 2: Convert to fraction form
    331,027.52/456,816.72 = 187,815.20/x
  3. Step 3: Cross multiply
    331,027.52x = 456,816.72 × 187,815.20
  4. Step 4: Simplify right side
    331,027.52x = 85,797,123,630.14
  5. Step 5: Solve for x
    x = 85,797,123,630.14/331,027.52
  6. Step 6: Final answer
    x = 259,184.26

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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.