Finding the Fourth Proportional to 102,894.51, 154,350.99 and 28,015.05
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Solution
The fourth proportional to 102,894.51, 154,350.99 and 28,015.05 is: 42,025.09
Step by Step Solution
- Step 1: Write the proportion equation
102,894.51 : 154,350.99 = 28,015.05 : x - Step 2: Convert to fraction form
102,894.51/154,350.99 = 28,015.05/x - Step 3: Cross multiply
102,894.51x = 154,350.99 × 28,015.05 - Step 4: Simplify right side
102,894.51x = 4,324,150,702.40 - Step 5: Solve for x
x = 4,324,150,702.40/102,894.51 - Step 6: Final answer
x = 42,025.09
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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.