Finding the Fourth Proportional to 258,974.19, 388,824.74 and 132,705.17
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Solution
The fourth proportional to 258,974.19, 388,824.74 and 132,705.17 is: 199,243.99
Step by Step Solution
- Step 1: Write the proportion equation
258,974.19 : 388,824.74 = 132,705.17 : x - Step 2: Convert to fraction form
258,974.19/388,824.74 = 132,705.17/x - Step 3: Cross multiply
258,974.19x = 388,824.74 × 132,705.17 - Step 4: Simplify right side
258,974.19x = 51,599,050,614.26 - Step 5: Solve for x
x = 51,599,050,614.26/258,974.19 - Step 6: Final answer
x = 199,243.99
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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.