Finding the Fourth Proportional to 197,242.08, 272,198.24 and 107,818.08
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Solution
The fourth proportional to 197,242.08, 272,198.24 and 107,818.08 is: 148,791.23
Step by Step Solution
- Step 1: Write the proportion equation
197,242.08 : 272,198.24 = 107,818.08 : x - Step 2: Convert to fraction form
197,242.08/272,198.24 = 107,818.08/x - Step 3: Cross multiply
197,242.08x = 272,198.24 × 107,818.08 - Step 4: Simplify right side
197,242.08x = 29,347,891,616.18 - Step 5: Solve for x
x = 29,347,891,616.18/197,242.08 - Step 6: Final answer
x = 148,791.23
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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.