Finding the Fourth Proportional to 117,236.14, 175,853.74 and 28,489.90
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Solution
The fourth proportional to 117,236.14, 175,853.74 and 28,489.90 is: 42,734.74
Step by Step Solution
- Step 1: Write the proportion equation
117,236.14 : 175,853.74 = 28,489.90 : x - Step 2: Convert to fraction form
117,236.14/175,853.74 = 28,489.90/x - Step 3: Cross multiply
117,236.14x = 175,853.74 × 28,489.90 - Step 4: Simplify right side
117,236.14x = 5,010,055,467.23 - Step 5: Solve for x
x = 5,010,055,467.23/117,236.14 - Step 6: Final answer
x = 42,734.74
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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.