Home / 393,024.87-589,661.93-140,299.95

Finding the Fourth Proportional to 393,024.87, 589,661.93 and 140,299.95

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Solution

The fourth proportional to 393,024.87, 589,661.93 and 140,299.95 is: 210,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,024.87 : 589,661.93 = 140,299.95 : x
  2. Step 2: Convert to fraction form
    393,024.87/589,661.93 = 140,299.95/x
  3. Step 3: Cross multiply
    393,024.87x = 589,661.93 × 140,299.95
  4. Step 4: Simplify right side
    393,024.87x = 82,729,538,594.40
  5. Step 5: Solve for x
    x = 82,729,538,594.40/393,024.87
  6. Step 6: Final answer
    x = 210,494.41

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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.