Home / 282,126.09-389,334.03-161,270.01

Finding the Fourth Proportional to 282,126.09, 389,334.03 and 161,270.01

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Solution

The fourth proportional to 282,126.09, 389,334.03 and 161,270.01 is: 222,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,126.09 : 389,334.03 = 161,270.01 : x
  2. Step 2: Convert to fraction form
    282,126.09/389,334.03 = 161,270.01/x
  3. Step 3: Cross multiply
    282,126.09x = 389,334.03 × 161,270.01
  4. Step 4: Simplify right side
    282,126.09x = 62,787,902,911.44
  5. Step 5: Solve for x
    x = 62,787,902,911.44/282,126.09
  6. Step 6: Final answer
    x = 222,552.63

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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.