Home / 209,265.85-288,773.94-117,380.08

Finding the Fourth Proportional to 209,265.85, 288,773.94 and 117,380.08

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Solution

The fourth proportional to 209,265.85, 288,773.94 and 117,380.08 is: 161,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,265.85 : 288,773.94 = 117,380.08 : x
  2. Step 2: Convert to fraction form
    209,265.85/288,773.94 = 117,380.08/x
  3. Step 3: Cross multiply
    209,265.85x = 288,773.94 × 117,380.08
  4. Step 4: Simplify right side
    209,265.85x = 33,896,308,179.12
  5. Step 5: Solve for x
    x = 33,896,308,179.12/209,265.85
  6. Step 6: Final answer
    x = 161,977.26

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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.