Home / 546,229.85-819,352.37-209,287.57

Finding the Fourth Proportional to 546,229.85, 819,352.37 and 209,287.57

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Solution

The fourth proportional to 546,229.85, 819,352.37 and 209,287.57 is: 313,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,229.85 : 819,352.37 = 209,287.57 : x
  2. Step 2: Convert to fraction form
    546,229.85/819,352.37 = 209,287.57/x
  3. Step 3: Cross multiply
    546,229.85x = 819,352.37 × 209,287.57
  4. Step 4: Simplify right side
    546,229.85x = 171,480,266,491.04
  5. Step 5: Solve for x
    x = 171,480,266,491.04/546,229.85
  6. Step 6: Final answer
    x = 313,934.27

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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.