Finding the Fourth Proportional to 147,361.68, 203,359.14 and 80,293.68
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Solution
The fourth proportional to 147,361.68, 203,359.14 and 80,293.68 is: 110,805.29
Step by Step Solution
- Step 1: Write the proportion equation
147,361.68 : 203,359.14 = 80,293.68 : x - Step 2: Convert to fraction form
147,361.68/203,359.14 = 80,293.68/x - Step 3: Cross multiply
147,361.68x = 203,359.14 × 80,293.68 - Step 4: Simplify right side
147,361.68x = 16,328,453,712.24 - Step 5: Solve for x
x = 16,328,453,712.24/147,361.68 - Step 6: Final answer
x = 110,805.29
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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.