Finding the Fourth Proportional to 194,781.11, 268,798.19 and 109,906.07
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Solution
The fourth proportional to 194,781.11, 268,798.19 and 109,906.07 is: 151,670.52
Step by Step Solution
- Step 1: Write the proportion equation
194,781.11 : 268,798.19 = 109,906.07 : x - Step 2: Convert to fraction form
194,781.11/268,798.19 = 109,906.07/x - Step 3: Cross multiply
194,781.11x = 268,798.19 × 109,906.07 - Step 4: Simplify right side
194,781.11x = 29,542,550,792.49 - Step 5: Solve for x
x = 29,542,550,792.49/194,781.11 - Step 6: Final answer
x = 151,670.52
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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.