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Finding the Fourth Proportional to 350,380.76, 525,161.12 and 160,859.42

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Solution

The fourth proportional to 350,380.76, 525,161.12 and 160,859.42 is: 241,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,380.76 : 525,161.12 = 160,859.42 : x
  2. Step 2: Convert to fraction form
    350,380.76/525,161.12 = 160,859.42/x
  3. Step 3: Cross multiply
    350,380.76x = 525,161.12 × 160,859.42
  4. Step 4: Simplify right side
    350,380.76x = 84,477,113,169.75
  5. Step 5: Solve for x
    x = 84,477,113,169.75/350,380.76
  6. Step 6: Final answer
    x = 241,100.89

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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.