Home / 628,216.12-942,235.26-201,789.02

Finding the Fourth Proportional to 628,216.12, 942,235.26 and 201,789.02

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Solution

The fourth proportional to 628,216.12, 942,235.26 and 201,789.02 is: 302,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,216.12 : 942,235.26 = 201,789.02 : x
  2. Step 2: Convert to fraction form
    628,216.12/942,235.26 = 201,789.02/x
  3. Step 3: Cross multiply
    628,216.12x = 942,235.26 × 201,789.02
  4. Step 4: Simplify right side
    628,216.12x = 190,132,729,724.85
  5. Step 5: Solve for x
    x = 190,132,729,724.85/628,216.12
  6. Step 6: Final answer
    x = 302,654.97

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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.