Finding the Fourth Proportional to 194,415.19, 268,292.96 and 104,991.19
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Solution
The fourth proportional to 194,415.19, 268,292.96 and 104,991.19 is: 144,887.84
Step by Step Solution
- Step 1: Write the proportion equation
194,415.19 : 268,292.96 = 104,991.19 : x - Step 2: Convert to fraction form
194,415.19/268,292.96 = 104,991.19/x - Step 3: Cross multiply
194,415.19x = 268,292.96 × 104,991.19 - Step 4: Simplify right side
194,415.19x = 28,168,396,730.77 - Step 5: Solve for x
x = 28,168,396,730.77/194,415.19 - Step 6: Final answer
x = 144,887.84
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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.