Home / 349,076.44-481,582.02-221,705.56

Finding the Fourth Proportional to 349,076.44, 481,582.02 and 221,705.56

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Solution

The fourth proportional to 349,076.44, 481,582.02 and 221,705.56 is: 305,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,076.44 : 481,582.02 = 221,705.56 : x
  2. Step 2: Convert to fraction form
    349,076.44/481,582.02 = 221,705.56/x
  3. Step 3: Cross multiply
    349,076.44x = 481,582.02 × 221,705.56
  4. Step 4: Simplify right side
    349,076.44x = 106,769,411,430.03
  5. Step 5: Solve for x
    x = 106,769,411,430.03/349,076.44
  6. Step 6: Final answer
    x = 305,862.55

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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.