Home / 321,085.85-481,704.27-93,386.49

Finding the Fourth Proportional to 321,085.85, 481,704.27 and 93,386.49

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Solution

The fourth proportional to 321,085.85, 481,704.27 and 93,386.49 is: 140,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,085.85 : 481,704.27 = 93,386.49 : x
  2. Step 2: Convert to fraction form
    321,085.85/481,704.27 = 93,386.49/x
  3. Step 3: Cross multiply
    321,085.85x = 481,704.27 × 93,386.49
  4. Step 4: Simplify right side
    321,085.85x = 44,984,670,993.31
  5. Step 5: Solve for x
    x = 44,984,670,993.31/321,085.85
  6. Step 6: Final answer
    x = 140,101.69

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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.