Home / 393,024.69-589,661.71-140,299.63

Finding the Fourth Proportional to 393,024.69, 589,661.71 and 140,299.63

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Solution

The fourth proportional to 393,024.69, 589,661.71 and 140,299.63 is: 210,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,024.69 : 589,661.71 = 140,299.63 : x
  2. Step 2: Convert to fraction form
    393,024.69/589,661.71 = 140,299.63/x
  3. Step 3: Cross multiply
    393,024.69x = 589,661.71 × 140,299.63
  4. Step 4: Simplify right side
    393,024.69x = 82,729,317,913.26
  5. Step 5: Solve for x
    x = 82,729,317,913.26/393,024.69
  6. Step 6: Final answer
    x = 210,493.95

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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.