Finding the Fourth Proportional to 199,330.14, 299,045.70 and 66,211.08
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Solution
The fourth proportional to 199,330.14, 299,045.70 and 66,211.08 is: 99,333.39
Step by Step Solution
- Step 1: Write the proportion equation
199,330.14 : 299,045.70 = 66,211.08 : x - Step 2: Convert to fraction form
199,330.14/299,045.70 = 66,211.08/x - Step 3: Cross multiply
199,330.14x = 299,045.70 × 66,211.08 - Step 4: Simplify right side
199,330.14x = 19,800,138,766.36 - Step 5: Solve for x
x = 19,800,138,766.36/199,330.14 - Step 6: Final answer
x = 99,333.39
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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.