Home / 282,273.80-389,542.26-154,961

Finding the Fourth Proportional to 282,273.80, 389,542.26 and 154,961

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Solution

The fourth proportional to 282,273.80, 389,542.26 and 154,961 is: 213,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,273.80 : 389,542.26 = 154,961 : x
  2. Step 2: Convert to fraction form
    282,273.80/389,542.26 = 154,961/x
  3. Step 3: Cross multiply
    282,273.80x = 389,542.26 × 154,961
  4. Step 4: Simplify right side
    282,273.80x = 60,363,858,151.86
  5. Step 5: Solve for x
    x = 60,363,858,151.86/282,273.80
  6. Step 6: Final answer
    x = 213,848.60

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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.