Finding the Fourth Proportional to 198,242.16, 273,576.18 and 107,598.96
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Solution
The fourth proportional to 198,242.16, 273,576.18 and 107,598.96 is: 148,487.65
Step by Step Solution
- Step 1: Write the proportion equation
198,242.16 : 273,576.18 = 107,598.96 : x - Step 2: Convert to fraction form
198,242.16/273,576.18 = 107,598.96/x - Step 3: Cross multiply
198,242.16x = 273,576.18 × 107,598.96 - Step 4: Simplify right side
198,242.16x = 29,436,512,448.77 - Step 5: Solve for x
x = 29,436,512,448.77/198,242.16 - Step 6: Final answer
x = 148,487.65
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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.