Finding the Fourth Proportional to 198,554.06, 297,852.87 and 86,157.02
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Solution
The fourth proportional to 198,554.06, 297,852.87 and 86,157.02 is: 129,244.98
Step by Step Solution
- Step 1: Write the proportion equation
198,554.06 : 297,852.87 = 86,157.02 : x - Step 2: Convert to fraction form
198,554.06/297,852.87 = 86,157.02/x - Step 3: Cross multiply
198,554.06x = 297,852.87 × 86,157.02 - Step 4: Simplify right side
198,554.06x = 25,662,115,677.65 - Step 5: Solve for x
x = 25,662,115,677.65/198,554.06 - Step 6: Final answer
x = 129,244.98
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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.