Home / 307,766.10-461,260.35-274,329.30

Finding the Fourth Proportional to 307,766.10, 461,260.35 and 274,329.30

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Solution

The fourth proportional to 307,766.10, 461,260.35 and 274,329.30 is: 411,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,766.10 : 461,260.35 = 274,329.30 : x
  2. Step 2: Convert to fraction form
    307,766.10/461,260.35 = 274,329.30/x
  3. Step 3: Cross multiply
    307,766.10x = 461,260.35 × 274,329.30
  4. Step 4: Simplify right side
    307,766.10x = 126,537,228,933.26
  5. Step 5: Solve for x
    x = 126,537,228,933.26/307,766.10
  6. Step 6: Final answer
    x = 411,147.39

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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.