Home / 326,991.24-490,496.04-90,333.96

Finding the Fourth Proportional to 326,991.24, 490,496.04 and 90,333.96

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Solution

The fourth proportional to 326,991.24, 490,496.04 and 90,333.96 is: 135,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,991.24 : 490,496.04 = 90,333.96 : x
  2. Step 2: Convert to fraction form
    326,991.24/490,496.04 = 90,333.96/x
  3. Step 3: Cross multiply
    326,991.24x = 490,496.04 × 90,333.96
  4. Step 4: Simplify right side
    326,991.24x = 44,308,449,657.52
  5. Step 5: Solve for x
    x = 44,308,449,657.52/326,991.24
  6. Step 6: Final answer
    x = 135,503.48

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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.