Finding the Fourth Proportional to 298,736.11, 447,926.37 and 118,724.14
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Solution
The fourth proportional to 298,736.11, 447,926.37 and 118,724.14 is: 178,015.55
Step by Step Solution
- Step 1: Write the proportion equation
298,736.11 : 447,926.37 = 118,724.14 : x - Step 2: Convert to fraction form
298,736.11/447,926.37 = 118,724.14/x - Step 3: Cross multiply
298,736.11x = 447,926.37 × 118,724.14 - Step 4: Simplify right side
298,736.11x = 53,179,673,176.26 - Step 5: Solve for x
x = 53,179,673,176.26/298,736.11 - Step 6: Final answer
x = 178,015.55
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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.