Finding the Fourth Proportional to 199,876.24, 275,878.19 and 113,885.92
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Solution
The fourth proportional to 199,876.24, 275,878.19 and 113,885.92 is: 157,190.47
Step by Step Solution
- Step 1: Write the proportion equation
199,876.24 : 275,878.19 = 113,885.92 : x - Step 2: Convert to fraction form
199,876.24/275,878.19 = 113,885.92/x - Step 3: Cross multiply
199,876.24x = 275,878.19 × 113,885.92 - Step 4: Simplify right side
199,876.24x = 31,418,639,527.26 - Step 5: Solve for x
x = 31,418,639,527.26/199,876.24 - Step 6: Final answer
x = 157,190.47
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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.