Finding the Fourth Proportional to 211,063.53, 291,268.14 and 114,268.40
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Solution
The fourth proportional to 211,063.53, 291,268.14 and 114,268.40 is: 157,690.65
Step by Step Solution
- Step 1: Write the proportion equation
211,063.53 : 291,268.14 = 114,268.40 : x - Step 2: Convert to fraction form
211,063.53/291,268.14 = 114,268.40/x - Step 3: Cross multiply
211,063.53x = 291,268.14 × 114,268.40 - Step 4: Simplify right side
211,063.53x = 33,282,744,628.44 - Step 5: Solve for x
x = 33,282,744,628.44/211,063.53 - Step 6: Final answer
x = 157,690.65
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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.