Finding the Fourth Proportional to 198,570.69, 274,030.33 and 107,926.63
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Solution
The fourth proportional to 198,570.69, 274,030.33 and 107,926.63 is: 148,940.26
Step by Step Solution
- Step 1: Write the proportion equation
198,570.69 : 274,030.33 = 107,926.63 : x - Step 2: Convert to fraction form
198,570.69/274,030.33 = 107,926.63/x - Step 3: Cross multiply
198,570.69x = 274,030.33 × 107,926.63 - Step 4: Simplify right side
198,570.69x = 29,575,169,795.96 - Step 5: Solve for x
x = 29,575,169,795.96/198,570.69 - Step 6: Final answer
x = 148,940.26
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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.