Home / 393,024.50-589,661.36-140,299.57

Finding the Fourth Proportional to 393,024.50, 589,661.36 and 140,299.57

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Solution

The fourth proportional to 393,024.50, 589,661.36 and 140,299.57 is: 210,493.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,024.50 : 589,661.36 = 140,299.57 : x
  2. Step 2: Convert to fraction form
    393,024.50/589,661.36 = 140,299.57/x
  3. Step 3: Cross multiply
    393,024.50x = 589,661.36 × 140,299.57
  4. Step 4: Simplify right side
    393,024.50x = 82,729,235,253.62
  5. Step 5: Solve for x
    x = 82,729,235,253.62/393,024.50
  6. Step 6: Final answer
    x = 210,493.84

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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.