Home / 326,078.80-449,988.32-180,906.59

Finding the Fourth Proportional to 326,078.80, 449,988.32 and 180,906.59

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Solution

The fourth proportional to 326,078.80, 449,988.32 and 180,906.59 is: 249,650.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,078.80 : 449,988.32 = 180,906.59 : x
  2. Step 2: Convert to fraction form
    326,078.80/449,988.32 = 180,906.59/x
  3. Step 3: Cross multiply
    326,078.80x = 449,988.32 × 180,906.59
  4. Step 4: Simplify right side
    326,078.80x = 81,405,854,088.27
  5. Step 5: Solve for x
    x = 81,405,854,088.27/326,078.80
  6. Step 6: Final answer
    x = 249,650.87

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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.