Home / 325,178.28-487,776.04-88,525.80

Finding the Fourth Proportional to 325,178.28, 487,776.04 and 88,525.80

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Solution

The fourth proportional to 325,178.28, 487,776.04 and 88,525.80 is: 132,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,178.28 : 487,776.04 = 88,525.80 : x
  2. Step 2: Convert to fraction form
    325,178.28/487,776.04 = 88,525.80/x
  3. Step 3: Cross multiply
    325,178.28x = 487,776.04 × 88,525.80
  4. Step 4: Simplify right side
    325,178.28x = 43,180,764,161.83
  5. Step 5: Solve for x
    x = 43,180,764,161.83/325,178.28
  6. Step 6: Final answer
    x = 132,791.05

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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.