Home / 393,228.40-589,727.40-182,815.60

Finding the Fourth Proportional to 393,228.40, 589,727.40 and 182,815.60

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Solution

The fourth proportional to 393,228.40, 589,727.40 and 182,815.60 is: 274,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,228.40 : 589,727.40 = 182,815.60 : x
  2. Step 2: Convert to fraction form
    393,228.40/589,727.40 = 182,815.60/x
  3. Step 3: Cross multiply
    393,228.40x = 589,727.40 × 182,815.60
  4. Step 4: Simplify right side
    393,228.40x = 107,811,368,467.44
  5. Step 5: Solve for x
    x = 107,811,368,467.44/393,228.40
  6. Step 6: Final answer
    x = 274,169.84

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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.