Finding the Fourth Proportional to 199,342.72, 299,013.12 and 66,232.96
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Solution
The fourth proportional to 199,342.72, 299,013.12 and 66,232.96 is: 99,349.12
Step by Step Solution
- Step 1: Write the proportion equation
199,342.72 : 299,013.12 = 66,232.96 : x - Step 2: Convert to fraction form
199,342.72/299,013.12 = 66,232.96/x - Step 3: Cross multiply
199,342.72x = 299,013.12 × 66,232.96 - Step 4: Simplify right side
199,342.72x = 19,804,524,016.44 - Step 5: Solve for x
x = 19,804,524,016.44/199,342.72 - Step 6: Final answer
x = 99,349.12
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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.