Finding the Fourth Proportional to 211,814.25, 292,230.59 and 135,378.08
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Solution
The fourth proportional to 211,814.25, 292,230.59 and 135,378.08 is: 186,775.05
Step by Step Solution
- Step 1: Write the proportion equation
211,814.25 : 292,230.59 = 135,378.08 : x - Step 2: Convert to fraction form
211,814.25/292,230.59 = 135,378.08/x - Step 3: Cross multiply
211,814.25x = 292,230.59 × 135,378.08 - Step 4: Simplify right side
211,814.25x = 39,561,616,245.15 - Step 5: Solve for x
x = 39,561,616,245.15/211,814.25 - Step 6: Final answer
x = 186,775.05
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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.