Finding the Fourth Proportional to 198,543.21, 273,988.71 and 107,897.46
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Solution
The fourth proportional to 198,543.21, 273,988.71 and 107,897.46 is: 148,897.99
Step by Step Solution
- Step 1: Write the proportion equation
198,543.21 : 273,988.71 = 107,897.46 : x - Step 2: Convert to fraction form
198,543.21/273,988.71 = 107,897.46/x - Step 3: Cross multiply
198,543.21x = 273,988.71 × 107,897.46 - Step 4: Simplify right side
198,543.21x = 29,562,685,877.68 - Step 5: Solve for x
x = 29,562,685,877.68/198,543.21 - Step 6: Final answer
x = 148,897.99
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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.