Finding the Fourth Proportional to 188,134.70, 282,128.52 and 68,163.17
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Solution
The fourth proportional to 188,134.70, 282,128.52 and 68,163.17 is: 102,218.11
Step by Step Solution
- Step 1: Write the proportion equation
188,134.70 : 282,128.52 = 68,163.17 : x - Step 2: Convert to fraction form
188,134.70/282,128.52 = 68,163.17/x - Step 3: Cross multiply
188,134.70x = 282,128.52 × 68,163.17 - Step 4: Simplify right side
188,134.70x = 19,230,774,319.13 - Step 5: Solve for x
x = 19,230,774,319.13/188,134.70 - Step 6: Final answer
x = 102,218.11
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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.