Home / 393,296.83-589,974.98-108,984.10

Finding the Fourth Proportional to 393,296.83, 589,974.98 and 108,984.10

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Solution

The fourth proportional to 393,296.83, 589,974.98 and 108,984.10 is: 163,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,296.83 : 589,974.98 = 108,984.10 : x
  2. Step 2: Convert to fraction form
    393,296.83/589,974.98 = 108,984.10/x
  3. Step 3: Cross multiply
    393,296.83x = 589,974.98 × 108,984.10
  4. Step 4: Simplify right side
    393,296.83x = 64,297,892,223.72
  5. Step 5: Solve for x
    x = 64,297,892,223.72/393,296.83
  6. Step 6: Final answer
    x = 163,484.39

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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.