Home / 289,849.20-434,236.20-164,818.80

Finding the Fourth Proportional to 289,849.20, 434,236.20 and 164,818.80

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Solution

The fourth proportional to 289,849.20, 434,236.20 and 164,818.80 is: 246,922.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,849.20 : 434,236.20 = 164,818.80 : x
  2. Step 2: Convert to fraction form
    289,849.20/434,236.20 = 164,818.80/x
  3. Step 3: Cross multiply
    289,849.20x = 434,236.20 × 164,818.80
  4. Step 4: Simplify right side
    289,849.20x = 71,570,289,400.56
  5. Step 5: Solve for x
    x = 71,570,289,400.56/289,849.20
  6. Step 6: Final answer
    x = 246,922.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.