Finding the Fourth Proportional to 198,555.27, 273,985.35 and 117,971.84
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Solution
The fourth proportional to 198,555.27, 273,985.35 and 117,971.84 is: 162,788.71
Step by Step Solution
- Step 1: Write the proportion equation
198,555.27 : 273,985.35 = 117,971.84 : x - Step 2: Convert to fraction form
198,555.27/273,985.35 = 117,971.84/x - Step 3: Cross multiply
198,555.27x = 273,985.35 × 117,971.84 - Step 4: Simplify right side
198,555.27x = 32,322,555,872.54 - Step 5: Solve for x
x = 32,322,555,872.54/198,555.27 - Step 6: Final answer
x = 162,788.71
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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.