Home / 199,395.47-298,993.28-66,229.04

Finding the Fourth Proportional to 199,395.47, 298,993.28 and 66,229.04

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Solution

The fourth proportional to 199,395.47, 298,993.28 and 66,229.04 is: 99,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,395.47 : 298,993.28 = 66,229.04 : x
  2. Step 2: Convert to fraction form
    199,395.47/298,993.28 = 66,229.04/x
  3. Step 3: Cross multiply
    199,395.47x = 298,993.28 × 66,229.04
  4. Step 4: Simplify right side
    199,395.47x = 19,802,038,317.19
  5. Step 5: Solve for x
    x = 19,802,038,317.19/199,395.47
  6. Step 6: Final answer
    x = 99,310.37

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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.