Finding the Fourth Proportional to 136,759.14, 205,230.35 and 48,012.91
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Solution
The fourth proportional to 136,759.14, 205,230.35 and 48,012.91 is: 72,051.54
Step by Step Solution
- Step 1: Write the proportion equation
136,759.14 : 205,230.35 = 48,012.91 : x - Step 2: Convert to fraction form
136,759.14/205,230.35 = 48,012.91/x - Step 3: Cross multiply
136,759.14x = 205,230.35 × 48,012.91 - Step 4: Simplify right side
136,759.14x = 9,853,706,323.82 - Step 5: Solve for x
x = 9,853,706,323.82/136,759.14 - Step 6: Final answer
x = 72,051.54
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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.