Home / 209,334.21-288,878.49-113,838.86

Finding the Fourth Proportional to 209,334.21, 288,878.49 and 113,838.86

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Solution

The fourth proportional to 209,334.21, 288,878.49 and 113,838.86 is: 157,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,334.21 : 288,878.49 = 113,838.86 : x
  2. Step 2: Convert to fraction form
    209,334.21/288,878.49 = 113,838.86/x
  3. Step 3: Cross multiply
    209,334.21x = 288,878.49 × 113,838.86
  4. Step 4: Simplify right side
    209,334.21x = 32,885,596,535.73
  5. Step 5: Solve for x
    x = 32,885,596,535.73/209,334.21
  6. Step 6: Final answer
    x = 157,096.14

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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.