Finding the Fourth Proportional to 198,235.09, 273,567.05 and 107,592.14
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Solution
The fourth proportional to 198,235.09, 273,567.05 and 107,592.14 is: 148,478.58
Step by Step Solution
- Step 1: Write the proportion equation
198,235.09 : 273,567.05 = 107,592.14 : x - Step 2: Convert to fraction form
198,235.09/273,567.05 = 107,592.14/x - Step 3: Cross multiply
198,235.09x = 273,567.05 × 107,592.14 - Step 4: Simplify right side
198,235.09x = 29,433,664,342.99 - Step 5: Solve for x
x = 29,433,664,342.99/198,235.09 - Step 6: Final answer
x = 148,478.58
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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.