Finding the Fourth Proportional to 188,539.98, 282,735.84 and 68,568.45
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Solution
The fourth proportional to 188,539.98, 282,735.84 and 68,568.45 is: 102,825.72
Step by Step Solution
- Step 1: Write the proportion equation
188,539.98 : 282,735.84 = 68,568.45 : x - Step 2: Convert to fraction form
188,539.98/282,735.84 = 68,568.45/x - Step 3: Cross multiply
188,539.98x = 282,735.84 × 68,568.45 - Step 4: Simplify right side
188,539.98x = 19,386,758,308.25 - Step 5: Solve for x
x = 19,386,758,308.25/188,539.98 - Step 6: Final answer
x = 102,825.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.