Finding the Fourth Proportional to 197,674.92, 272,791.50 and 107,031.48
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Solution
The fourth proportional to 197,674.92, 272,791.50 and 107,031.48 is: 147,703.50
Step by Step Solution
- Step 1: Write the proportion equation
197,674.92 : 272,791.50 = 107,031.48 : x - Step 2: Convert to fraction form
197,674.92/272,791.50 = 107,031.48/x - Step 3: Cross multiply
197,674.92x = 272,791.50 × 107,031.48 - Step 4: Simplify right side
197,674.92x = 29,197,277,976.42 - Step 5: Solve for x
x = 29,197,277,976.42/197,674.92 - Step 6: Final answer
x = 147,703.50
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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.