Finding the Fourth Proportional to 190,714.08, 263,187.36 and 105,831.84
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Solution
The fourth proportional to 190,714.08, 263,187.36 and 105,831.84 is: 146,049.01
Step by Step Solution
- Step 1: Write the proportion equation
190,714.08 : 263,187.36 = 105,831.84 : x - Step 2: Convert to fraction form
190,714.08/263,187.36 = 105,831.84/x - Step 3: Cross multiply
190,714.08x = 263,187.36 × 105,831.84 - Step 4: Simplify right side
190,714.08x = 27,853,602,573.54 - Step 5: Solve for x
x = 27,853,602,573.54/190,714.08 - Step 6: Final answer
x = 146,049.01
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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.