Finding the Fourth Proportional to 192,415.68, 288,361.08 and 117,561.96
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Solution
The fourth proportional to 192,415.68, 288,361.08 and 117,561.96 is: 176,182.59
Step by Step Solution
- Step 1: Write the proportion equation
192,415.68 : 288,361.08 = 117,561.96 : x - Step 2: Convert to fraction form
192,415.68/288,361.08 = 117,561.96/x - Step 3: Cross multiply
192,415.68x = 288,361.08 × 117,561.96 - Step 4: Simplify right side
192,415.68x = 33,900,293,752.52 - Step 5: Solve for x
x = 33,900,293,752.52/192,415.68 - Step 6: Final answer
x = 176,182.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.