Home / 389,403.11-584,104.68-164,705.27

Finding the Fourth Proportional to 389,403.11, 584,104.68 and 164,705.27

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Solution

The fourth proportional to 389,403.11, 584,104.68 and 164,705.27 is: 247,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,403.11 : 584,104.68 = 164,705.27 : x
  2. Step 2: Convert to fraction form
    389,403.11/584,104.68 = 164,705.27/x
  3. Step 3: Cross multiply
    389,403.11x = 584,104.68 × 164,705.27
  4. Step 4: Simplify right side
    389,403.11x = 96,205,116,107.14
  5. Step 5: Solve for x
    x = 96,205,116,107.14/389,403.11
  6. Step 6: Final answer
    x = 247,057.90

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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.