Home / 208,847.19-288,209.41-113,353.90

Finding the Fourth Proportional to 208,847.19, 288,209.41 and 113,353.90

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Solution

The fourth proportional to 208,847.19, 288,209.41 and 113,353.90 is: 156,428.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,847.19 : 288,209.41 = 113,353.90 : x
  2. Step 2: Convert to fraction form
    208,847.19/288,209.41 = 113,353.90/x
  3. Step 3: Cross multiply
    208,847.19x = 288,209.41 × 113,353.90
  4. Step 4: Simplify right side
    208,847.19x = 32,669,659,636.29
  5. Step 5: Solve for x
    x = 32,669,659,636.29/208,847.19
  6. Step 6: Final answer
    x = 156,428.53

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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.