Home / 436,634.20-654,821.70-170,241.40

Finding the Fourth Proportional to 436,634.20, 654,821.70 and 170,241.40

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Solution

The fourth proportional to 436,634.20, 654,821.70 and 170,241.40 is: 255,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,634.20 : 654,821.70 = 170,241.40 : x
  2. Step 2: Convert to fraction form
    436,634.20/654,821.70 = 170,241.40/x
  3. Step 3: Cross multiply
    436,634.20x = 654,821.70 × 170,241.40
  4. Step 4: Simplify right side
    436,634.20x = 111,477,762,958.38
  5. Step 5: Solve for x
    x = 111,477,762,958.38/436,634.20
  6. Step 6: Final answer
    x = 255,311.57

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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.