Home / 451,769.60-677,923.20-171,315.20

Finding the Fourth Proportional to 451,769.60, 677,923.20 and 171,315.20

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Solution

The fourth proportional to 451,769.60, 677,923.20 and 171,315.20 is: 257,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,769.60 : 677,923.20 = 171,315.20 : x
  2. Step 2: Convert to fraction form
    451,769.60/677,923.20 = 171,315.20/x
  3. Step 3: Cross multiply
    451,769.60x = 677,923.20 × 171,315.20
  4. Step 4: Simplify right side
    451,769.60x = 116,138,548,592.64
  5. Step 5: Solve for x
    x = 116,138,548,592.64/451,769.60
  6. Step 6: Final answer
    x = 257,074.73

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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.