Finding the Fourth Proportional to 117,749.68, 176,517.68 and 42,816.88
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Solution
The fourth proportional to 117,749.68, 176,517.68 and 42,816.88 is: 64,186.47
Step by Step Solution
- Step 1: Write the proportion equation
117,749.68 : 176,517.68 = 42,816.88 : x - Step 2: Convert to fraction form
117,749.68/176,517.68 = 42,816.88/x - Step 3: Cross multiply
117,749.68x = 176,517.68 × 42,816.88 - Step 4: Simplify right side
117,749.68x = 7,557,936,322.44 - Step 5: Solve for x
x = 7,557,936,322.44/117,749.68 - Step 6: Final answer
x = 64,186.47
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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.