Home / 441,121.63-661,619.83-141,563.38

Finding the Fourth Proportional to 441,121.63, 661,619.83 and 141,563.38

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Solution

The fourth proportional to 441,121.63, 661,619.83 and 141,563.38 is: 212,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,121.63 : 661,619.83 = 141,563.38 : x
  2. Step 2: Convert to fraction form
    441,121.63/661,619.83 = 141,563.38/x
  3. Step 3: Cross multiply
    441,121.63x = 661,619.83 × 141,563.38
  4. Step 4: Simplify right side
    441,121.63x = 93,661,139,409.83
  5. Step 5: Solve for x
    x = 93,661,139,409.83/441,121.63
  6. Step 6: Final answer
    x = 212,324.98

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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.