Finding the Fourth Proportional to 194,485.19, 268,289.52 and 129,933.82
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Solution
The fourth proportional to 194,485.19, 268,289.52 and 129,933.82 is: 179,241.84
Step by Step Solution
- Step 1: Write the proportion equation
194,485.19 : 268,289.52 = 129,933.82 : x - Step 2: Convert to fraction form
194,485.19/268,289.52 = 129,933.82/x - Step 3: Cross multiply
194,485.19x = 268,289.52 × 129,933.82 - Step 4: Simplify right side
194,485.19x = 34,859,882,047.68 - Step 5: Solve for x
x = 34,859,882,047.68/194,485.19 - Step 6: Final answer
x = 179,241.84
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1.5x scale
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.