Home / 383,012.88-528,548.40-213,243.36

Finding the Fourth Proportional to 383,012.88, 528,548.40 and 213,243.36

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Solution

The fourth proportional to 383,012.88, 528,548.40 and 213,243.36 is: 294,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,012.88 : 528,548.40 = 213,243.36 : x
  2. Step 2: Convert to fraction form
    383,012.88/528,548.40 = 213,243.36/x
  3. Step 3: Cross multiply
    383,012.88x = 528,548.40 × 213,243.36
  4. Step 4: Simplify right side
    383,012.88x = 112,709,436,738.62
  5. Step 5: Solve for x
    x = 112,709,436,738.62/383,012.88
  6. Step 6: Final answer
    x = 294,270.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.