Finding the Fourth Proportional to 136,994.75, 205,508.74 and 48,230.09
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Solution
The fourth proportional to 136,994.75, 205,508.74 and 48,230.09 is: 72,350.98
Step by Step Solution
- Step 1: Write the proportion equation
136,994.75 : 205,508.74 = 48,230.09 : x - Step 2: Convert to fraction form
136,994.75/205,508.74 = 48,230.09/x - Step 3: Cross multiply
136,994.75x = 205,508.74 × 48,230.09 - Step 4: Simplify right side
136,994.75x = 9,911,705,025.99 - Step 5: Solve for x
x = 9,911,705,025.99/136,994.75 - Step 6: Final answer
x = 72,350.98
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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.