Home / 208,849.58-288,212.65-113,356.34

Finding the Fourth Proportional to 208,849.58, 288,212.65 and 113,356.34

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Solution

The fourth proportional to 208,849.58, 288,212.65 and 113,356.34 is: 156,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,849.58 : 288,212.65 = 113,356.34 : x
  2. Step 2: Convert to fraction form
    208,849.58/288,212.65 = 113,356.34/x
  3. Step 3: Cross multiply
    208,849.58x = 288,212.65 × 113,356.34
  4. Step 4: Simplify right side
    208,849.58x = 32,670,731,145.70
  5. Step 5: Solve for x
    x = 32,670,731,145.70/208,849.58
  6. Step 6: Final answer
    x = 156,431.87

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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.