Finding the Fourth Proportional to 197,185.23, 272,115.63 and 112,310.19
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Solution
The fourth proportional to 197,185.23, 272,115.63 and 112,310.19 is: 154,988.07
Step by Step Solution
- Step 1: Write the proportion equation
197,185.23 : 272,115.63 = 112,310.19 : x - Step 2: Convert to fraction form
197,185.23/272,115.63 = 112,310.19/x - Step 3: Cross multiply
197,185.23x = 272,115.63 × 112,310.19 - Step 4: Simplify right side
197,185.23x = 30,561,358,107.27 - Step 5: Solve for x
x = 30,561,358,107.27/197,185.23 - Step 6: Final answer
x = 154,988.07
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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.