Home / 282,530.07-389,993.82-187,067.52

Finding the Fourth Proportional to 282,530.07, 389,993.82 and 187,067.52

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Solution

The fourth proportional to 282,530.07, 389,993.82 and 187,067.52 is: 258,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,530.07 : 389,993.82 = 187,067.52 : x
  2. Step 2: Convert to fraction form
    282,530.07/389,993.82 = 187,067.52/x
  3. Step 3: Cross multiply
    282,530.07x = 389,993.82 × 187,067.52
  4. Step 4: Simplify right side
    282,530.07x = 72,955,176,722.73
  5. Step 5: Solve for x
    x = 72,955,176,722.73/282,530.07
  6. Step 6: Final answer
    x = 258,220.93

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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.