Finding the Fourth Proportional to 194,331.28, 268,173.96 and 109,448.08
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Solution
The fourth proportional to 194,331.28, 268,173.96 and 109,448.08 is: 151,036.54
Step by Step Solution
- Step 1: Write the proportion equation
194,331.28 : 268,173.96 = 109,448.08 : x - Step 2: Convert to fraction form
194,331.28/268,173.96 = 109,448.08/x - Step 3: Cross multiply
194,331.28x = 268,173.96 × 109,448.08 - Step 4: Simplify right side
194,331.28x = 29,351,125,028.00 - Step 5: Solve for x
x = 29,351,125,028.00/194,331.28 - Step 6: Final answer
x = 151,036.54
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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.