Finding the Fourth Proportional to 197,674.61, 272,791.49 and 107,031.69
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Solution
The fourth proportional to 197,674.61, 272,791.49 and 107,031.69 is: 147,704.02
Step by Step Solution
- Step 1: Write the proportion equation
197,674.61 : 272,791.49 = 107,031.69 : x - Step 2: Convert to fraction form
197,674.61/272,791.49 = 107,031.69/x - Step 3: Cross multiply
197,674.61x = 272,791.49 × 107,031.69 - Step 4: Simplify right side
197,674.61x = 29,197,333,657.16 - Step 5: Solve for x
x = 29,197,333,657.16/197,674.61 - Step 6: Final answer
x = 147,704.02
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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.