Finding the Fourth Proportional to 199,014.05, 274,635.44 and 108,371.09
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Solution
The fourth proportional to 199,014.05, 274,635.44 and 108,371.09 is: 149,549.95
Step by Step Solution
- Step 1: Write the proportion equation
199,014.05 : 274,635.44 = 108,371.09 : x - Step 2: Convert to fraction form
199,014.05/274,635.44 = 108,371.09/x - Step 3: Cross multiply
199,014.05x = 274,635.44 × 108,371.09 - Step 4: Simplify right side
199,014.05x = 29,762,541,985.43 - Step 5: Solve for x
x = 29,762,541,985.43/199,014.05 - Step 6: Final answer
x = 149,549.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.