Finding the Fourth Proportional to 199,926.12, 275,853.60 and 115,043.19
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Solution
The fourth proportional to 199,926.12, 275,853.60 and 115,043.19 is: 158,734.02
Step by Step Solution
- Step 1: Write the proportion equation
199,926.12 : 275,853.60 = 115,043.19 : x - Step 2: Convert to fraction form
199,926.12/275,853.60 = 115,043.19/x - Step 3: Cross multiply
199,926.12x = 275,853.60 × 115,043.19 - Step 4: Simplify right side
199,926.12x = 31,735,077,082.53 - Step 5: Solve for x
x = 31,735,077,082.53/199,926.12 - Step 6: Final answer
x = 158,734.02
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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.