Finding the Fourth Proportional to 193,831.68, 290,747.52 and 106,832.64
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Solution
The fourth proportional to 193,831.68, 290,747.52 and 106,832.64 is: 160,248.96
Step by Step Solution
- Step 1: Write the proportion equation
193,831.68 : 290,747.52 = 106,832.64 : x - Step 2: Convert to fraction form
193,831.68/290,747.52 = 106,832.64/x - Step 3: Cross multiply
193,831.68x = 290,747.52 × 106,832.64 - Step 4: Simplify right side
193,831.68x = 31,061,325,135.05 - Step 5: Solve for x
x = 31,061,325,135.05/193,831.68 - Step 6: Final answer
x = 160,248.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.