Home / 281,739.48-422,613.86-79,340.46

Finding the Fourth Proportional to 281,739.48, 422,613.86 and 79,340.46

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Solution

The fourth proportional to 281,739.48, 422,613.86 and 79,340.46 is: 119,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,739.48 : 422,613.86 = 79,340.46 : x
  2. Step 2: Convert to fraction form
    281,739.48/422,613.86 = 79,340.46/x
  3. Step 3: Cross multiply
    281,739.48x = 422,613.86 × 79,340.46
  4. Step 4: Simplify right side
    281,739.48x = 33,530,378,054.78
  5. Step 5: Solve for x
    x = 33,530,378,054.78/281,739.48
  6. Step 6: Final answer
    x = 119,012.00

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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.