Home / 239,984.64-359,986.80-82,321.52

Finding the Fourth Proportional to 239,984.64, 359,986.80 and 82,321.52

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Solution

The fourth proportional to 239,984.64, 359,986.80 and 82,321.52 is: 123,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,984.64 : 359,986.80 = 82,321.52 : x
  2. Step 2: Convert to fraction form
    239,984.64/359,986.80 = 82,321.52/x
  3. Step 3: Cross multiply
    239,984.64x = 359,986.80 × 82,321.52
  4. Step 4: Simplify right side
    239,984.64x = 29,634,660,555.94
  5. Step 5: Solve for x
    x = 29,634,660,555.94/239,984.64
  6. Step 6: Final answer
    x = 123,485.66

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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.