Home / 208,284.35-287,433.32-112,791.15

Finding the Fourth Proportional to 208,284.35, 287,433.32 and 112,791.15

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Solution

The fourth proportional to 208,284.35, 287,433.32 and 112,791.15 is: 155,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,284.35 : 287,433.32 = 112,791.15 : x
  2. Step 2: Convert to fraction form
    208,284.35/287,433.32 = 112,791.15/x
  3. Step 3: Cross multiply
    208,284.35x = 287,433.32 × 112,791.15
  4. Step 4: Simplify right side
    208,284.35x = 32,419,934,147.16
  5. Step 5: Solve for x
    x = 32,419,934,147.16/208,284.35
  6. Step 6: Final answer
    x = 155,652.28

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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.