Finding the Fourth Proportional to 193,049.84, 289,503.48 and 66,657.80
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Solution
The fourth proportional to 193,049.84, 289,503.48 and 66,657.80 is: 99,962.09
Step by Step Solution
- Step 1: Write the proportion equation
193,049.84 : 289,503.48 = 66,657.80 : x - Step 2: Convert to fraction form
193,049.84/289,503.48 = 66,657.80/x - Step 3: Cross multiply
193,049.84x = 289,503.48 × 66,657.80 - Step 4: Simplify right side
193,049.84x = 19,297,665,069.14 - Step 5: Solve for x
x = 19,297,665,069.14/193,049.84 - Step 6: Final answer
x = 99,962.09
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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.