Finding the Fourth Proportional to 198,510.84, 297,598.82 and 86,106.44
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Solution
The fourth proportional to 198,510.84, 297,598.82 and 86,106.44 is: 129,087.02
Step by Step Solution
- Step 1: Write the proportion equation
198,510.84 : 297,598.82 = 86,106.44 : x - Step 2: Convert to fraction form
198,510.84/297,598.82 = 86,106.44/x - Step 3: Cross multiply
198,510.84x = 297,598.82 × 86,106.44 - Step 4: Simplify right side
198,510.84x = 25,625,173,019.87 - Step 5: Solve for x
x = 25,625,173,019.87/198,510.84 - Step 6: Final answer
x = 129,087.02
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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.