Home / 220,530.42-330,756.12-58,425.56

Finding the Fourth Proportional to 220,530.42, 330,756.12 and 58,425.56

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Solution

The fourth proportional to 220,530.42, 330,756.12 and 58,425.56 is: 87,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,530.42 : 330,756.12 = 58,425.56 : x
  2. Step 2: Convert to fraction form
    220,530.42/330,756.12 = 58,425.56/x
  3. Step 3: Cross multiply
    220,530.42x = 330,756.12 × 58,425.56
  4. Step 4: Simplify right side
    220,530.42x = 19,324,611,534.43
  5. Step 5: Solve for x
    x = 19,324,611,534.43/220,530.42
  6. Step 6: Final answer
    x = 87,627.87

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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.