Finding the Fourth Proportional to 186,397.44, 257,235.74 and 105,832.46
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Solution
The fourth proportional to 186,397.44, 257,235.74 and 105,832.46 is: 146,052.92
Step by Step Solution
- Step 1: Write the proportion equation
186,397.44 : 257,235.74 = 105,832.46 : x - Step 2: Convert to fraction form
186,397.44/257,235.74 = 105,832.46/x - Step 3: Cross multiply
186,397.44x = 257,235.74 × 105,832.46 - Step 4: Simplify right side
186,397.44x = 27,223,891,164.12 - Step 5: Solve for x
x = 27,223,891,164.12/186,397.44 - Step 6: Final answer
x = 146,052.92
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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.