Home / 494,771.46-742,205.79-139,788.24

Finding the Fourth Proportional to 494,771.46, 742,205.79 and 139,788.24

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Solution

The fourth proportional to 494,771.46, 742,205.79 and 139,788.24 is: 209,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,771.46 : 742,205.79 = 139,788.24 : x
  2. Step 2: Convert to fraction form
    494,771.46/742,205.79 = 139,788.24/x
  3. Step 3: Cross multiply
    494,771.46x = 742,205.79 × 139,788.24
  4. Step 4: Simplify right side
    494,771.46x = 103,751,636,691.94
  5. Step 5: Solve for x
    x = 103,751,636,691.94/494,771.46
  6. Step 6: Final answer
    x = 209,696.08

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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.