Finding the Fourth Proportional to 188,336.81, 259,952.99 and 116,778.17
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Solution
The fourth proportional to 188,336.81, 259,952.99 and 116,778.17 is: 161,183.76
Step by Step Solution
- Step 1: Write the proportion equation
188,336.81 : 259,952.99 = 116,778.17 : x - Step 2: Convert to fraction form
188,336.81/259,952.99 = 116,778.17/x - Step 3: Cross multiply
188,336.81x = 259,952.99 × 116,778.17 - Step 4: Simplify right side
188,336.81x = 30,356,834,458.23 - Step 5: Solve for x
x = 30,356,834,458.23/188,336.81 - Step 6: Final answer
x = 161,183.76
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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.