Home / 282,180.07-389,393.62-161,305.39

Finding the Fourth Proportional to 282,180.07, 389,393.62 and 161,305.39

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Solution

The fourth proportional to 282,180.07, 389,393.62 and 161,305.39 is: 222,592.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,180.07 : 389,393.62 = 161,305.39 : x
  2. Step 2: Convert to fraction form
    282,180.07/389,393.62 = 161,305.39/x
  3. Step 3: Cross multiply
    282,180.07x = 389,393.62 × 161,305.39
  4. Step 4: Simplify right side
    282,180.07x = 62,811,289,737.61
  5. Step 5: Solve for x
    x = 62,811,289,737.61/282,180.07
  6. Step 6: Final answer
    x = 222,592.93

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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.