Home / 648,246.20-972,369.30-174,930.80

Finding the Fourth Proportional to 648,246.20, 972,369.30 and 174,930.80

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Solution

The fourth proportional to 648,246.20, 972,369.30 and 174,930.80 is: 262,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,246.20 : 972,369.30 = 174,930.80 : x
  2. Step 2: Convert to fraction form
    648,246.20/972,369.30 = 174,930.80/x
  3. Step 3: Cross multiply
    648,246.20x = 972,369.30 × 174,930.80
  4. Step 4: Simplify right side
    648,246.20x = 170,097,339,544.44
  5. Step 5: Solve for x
    x = 170,097,339,544.44/648,246.20
  6. Step 6: Final answer
    x = 262,396.20

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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.