Home / 349,039.20-481,661.36-213,300.36

Finding the Fourth Proportional to 349,039.20, 481,661.36 and 213,300.36

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Solution

The fourth proportional to 349,039.20, 481,661.36 and 213,300.36 is: 294,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,039.20 : 481,661.36 = 213,300.36 : x
  2. Step 2: Convert to fraction form
    349,039.20/481,661.36 = 213,300.36/x
  3. Step 3: Cross multiply
    349,039.20x = 481,661.36 × 213,300.36
  4. Step 4: Simplify right side
    349,039.20x = 102,738,541,486.09
  5. Step 5: Solve for x
    x = 102,738,541,486.09/349,039.20
  6. Step 6: Final answer
    x = 294,346.71

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Why These Related Problems?

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