Home / 393,012.94-589,634.23-126,767.56

Finding the Fourth Proportional to 393,012.94, 589,634.23 and 126,767.56

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Solution

The fourth proportional to 393,012.94, 589,634.23 and 126,767.56 is: 190,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,012.94 : 589,634.23 = 126,767.56 : x
  2. Step 2: Convert to fraction form
    393,012.94/589,634.23 = 126,767.56/x
  3. Step 3: Cross multiply
    393,012.94x = 589,634.23 × 126,767.56
  4. Step 4: Simplify right side
    393,012.94x = 74,746,492,629.58
  5. Step 5: Solve for x
    x = 74,746,492,629.58/393,012.94
  6. Step 6: Final answer
    x = 190,188.38

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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.