Finding the Fourth Proportional to 197,881.44, 273,062.64 and 117,304.80
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Solution
The fourth proportional to 197,881.44, 273,062.64 and 117,304.80 is: 161,872.47
Step by Step Solution
- Step 1: Write the proportion equation
197,881.44 : 273,062.64 = 117,304.80 : x - Step 2: Convert to fraction form
197,881.44/273,062.64 = 117,304.80/x - Step 3: Cross multiply
197,881.44x = 273,062.64 × 117,304.80 - Step 4: Simplify right side
197,881.44x = 32,031,558,372.67 - Step 5: Solve for x
x = 32,031,558,372.67/197,881.44 - Step 6: Final answer
x = 161,872.47
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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.