Home / 208,976.94-288,388.10-113,483.61

Finding the Fourth Proportional to 208,976.94, 288,388.10 and 113,483.61

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Solution

The fourth proportional to 208,976.94, 288,388.10 and 113,483.61 is: 156,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,976.94 : 288,388.10 = 113,483.61 : x
  2. Step 2: Convert to fraction form
    208,976.94/288,388.10 = 113,483.61/x
  3. Step 3: Cross multiply
    208,976.94x = 288,388.10 × 113,483.61
  4. Step 4: Simplify right side
    208,976.94x = 32,727,322,101.62
  5. Step 5: Solve for x
    x = 32,727,322,101.62/208,976.94
  6. Step 6: Final answer
    x = 156,607.34

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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.