Home / 521,245.96-781,882.60-179,685.77

Finding the Fourth Proportional to 521,245.96, 781,882.60 and 179,685.77

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Solution

The fourth proportional to 521,245.96, 781,882.60 and 179,685.77 is: 269,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,245.96 : 781,882.60 = 179,685.77 : x
  2. Step 2: Convert to fraction form
    521,245.96/781,882.60 = 179,685.77/x
  3. Step 3: Cross multiply
    521,245.96x = 781,882.60 × 179,685.77
  4. Step 4: Simplify right side
    521,245.96x = 140,493,177,030.60
  5. Step 5: Solve for x
    x = 140,493,177,030.60/521,245.96
  6. Step 6: Final answer
    x = 269,533.36

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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.