Finding the Fourth Proportional to 197,826.97, 272,985.04 and 116,146.62
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Solution
The fourth proportional to 197,826.97, 272,985.04 and 116,146.62 is: 160,272.84
Step by Step Solution
- Step 1: Write the proportion equation
197,826.97 : 272,985.04 = 116,146.62 : x - Step 2: Convert to fraction form
197,826.97/272,985.04 = 116,146.62/x - Step 3: Cross multiply
197,826.97x = 272,985.04 × 116,146.62 - Step 4: Simplify right side
197,826.97x = 31,706,289,706.56 - Step 5: Solve for x
x = 31,706,289,706.56/197,826.97 - Step 6: Final answer
x = 160,272.84
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1.5x scale
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.