Finding the Fourth Proportional to 194,415.94, 268,294.00 and 104,991.94
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Solution
The fourth proportional to 194,415.94, 268,294.00 and 104,991.94 is: 144,888.88
Step by Step Solution
- Step 1: Write the proportion equation
194,415.94 : 268,294.00 = 104,991.94 : x - Step 2: Convert to fraction form
194,415.94/268,294.00 = 104,991.94/x - Step 3: Cross multiply
194,415.94x = 268,294.00 × 104,991.94 - Step 4: Simplify right side
194,415.94x = 28,168,707,025.40 - Step 5: Solve for x
x = 28,168,707,025.40/194,415.94 - Step 6: Final answer
x = 144,888.88
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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.