Finding the Fourth Proportional to 198,511.84, 297,600.31 and 86,107.44
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Solution
The fourth proportional to 198,511.84, 297,600.31 and 86,107.44 is: 129,088.53
Step by Step Solution
- Step 1: Write the proportion equation
198,511.84 : 297,600.31 = 86,107.44 : x - Step 2: Convert to fraction form
198,511.84/297,600.31 = 86,107.44/x - Step 3: Cross multiply
198,511.84x = 297,600.31 × 86,107.44 - Step 4: Simplify right side
198,511.84x = 25,625,600,837.31 - Step 5: Solve for x
x = 25,625,600,837.31/198,511.84 - Step 6: Final answer
x = 129,088.53
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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.