Finding the Fourth Proportional to 190,690.92, 263,160.50 and 115,224.84
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Solution
The fourth proportional to 190,690.92, 263,160.50 and 115,224.84 is: 159,014.53
Step by Step Solution
- Step 1: Write the proportion equation
190,690.92 : 263,160.50 = 115,224.84 : x - Step 2: Convert to fraction form
190,690.92/263,160.50 = 115,224.84/x - Step 3: Cross multiply
190,690.92x = 263,160.50 × 115,224.84 - Step 4: Simplify right side
190,690.92x = 30,322,626,506.82 - Step 5: Solve for x
x = 30,322,626,506.82/190,690.92 - Step 6: Final answer
x = 159,014.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.