Home / 208,849.32-288,212.26-113,356.04

Finding the Fourth Proportional to 208,849.32, 288,212.26 and 113,356.04

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Solution

The fourth proportional to 208,849.32, 288,212.26 and 113,356.04 is: 156,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,849.32 : 288,212.26 = 113,356.04 : x
  2. Step 2: Convert to fraction form
    208,849.32/288,212.26 = 113,356.04/x
  3. Step 3: Cross multiply
    208,849.32x = 288,212.26 × 113,356.04
  4. Step 4: Simplify right side
    208,849.32x = 32,670,600,473.05
  5. Step 5: Solve for x
    x = 32,670,600,473.05/208,849.32
  6. Step 6: Final answer
    x = 156,431.44

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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.