Home / 323,979.75-447,090.77-180,739.62

Finding the Fourth Proportional to 323,979.75, 447,090.77 and 180,739.62

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Solution

The fourth proportional to 323,979.75, 447,090.77 and 180,739.62 is: 249,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,979.75 : 447,090.77 = 180,739.62 : x
  2. Step 2: Convert to fraction form
    323,979.75/447,090.77 = 180,739.62/x
  3. Step 3: Cross multiply
    323,979.75x = 447,090.77 × 180,739.62
  4. Step 4: Simplify right side
    323,979.75x = 80,807,016,327.16
  5. Step 5: Solve for x
    x = 80,807,016,327.16/323,979.75
  6. Step 6: Final answer
    x = 249,419.96

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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.