Home / 330,538.32-456,067.80-187,265.52

Finding the Fourth Proportional to 330,538.32, 456,067.80 and 187,265.52

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Solution

The fourth proportional to 330,538.32, 456,067.80 and 187,265.52 is: 258,383.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,538.32 : 456,067.80 = 187,265.52 : x
  2. Step 2: Convert to fraction form
    330,538.32/456,067.80 = 187,265.52/x
  3. Step 3: Cross multiply
    330,538.32x = 456,067.80 × 187,265.52
  4. Step 4: Simplify right side
    330,538.32x = 85,405,773,722.26
  5. Step 5: Solve for x
    x = 85,405,773,722.26/330,538.32
  6. Step 6: Final answer
    x = 258,383.88

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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.