Home / 321,614.08-443,854.68-178,420.25

Finding the Fourth Proportional to 321,614.08, 443,854.68 and 178,420.25

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Solution

The fourth proportional to 321,614.08, 443,854.68 and 178,420.25 is: 246,235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,614.08 : 443,854.68 = 178,420.25 : x
  2. Step 2: Convert to fraction form
    321,614.08/443,854.68 = 178,420.25/x
  3. Step 3: Cross multiply
    321,614.08x = 443,854.68 × 178,420.25
  4. Step 4: Simplify right side
    321,614.08x = 79,192,662,969.27
  5. Step 5: Solve for x
    x = 79,192,662,969.27/321,614.08
  6. Step 6: Final answer
    x = 246,235.06

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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.