Home / 349,056.40-481,669.44-196,086.28

Finding the Fourth Proportional to 349,056.40, 481,669.44 and 196,086.28

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Solution

The fourth proportional to 349,056.40, 481,669.44 and 196,086.28 is: 270,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,056.40 : 481,669.44 = 196,086.28 : x
  2. Step 2: Convert to fraction form
    349,056.40/481,669.44 = 196,086.28/x
  3. Step 3: Cross multiply
    349,056.40x = 481,669.44 × 196,086.28
  4. Step 4: Simplify right side
    349,056.40x = 94,448,768,679.28
  5. Step 5: Solve for x
    x = 94,448,768,679.28/349,056.40
  6. Step 6: Final answer
    x = 270,583.12

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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.