Finding the Fourth Proportional to 211,057.48, 291,257.97 and 114,260.62
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Solution
The fourth proportional to 211,057.48, 291,257.97 and 114,260.62 is: 157,678.92
Step by Step Solution
- Step 1: Write the proportion equation
211,057.48 : 291,257.97 = 114,260.62 : x - Step 2: Convert to fraction form
211,057.48/291,257.97 = 114,260.62/x - Step 3: Cross multiply
211,057.48x = 291,257.97 × 114,260.62 - Step 4: Simplify right side
211,057.48x = 33,279,316,232.14 - Step 5: Solve for x
x = 33,279,316,232.14/211,057.48 - Step 6: Final answer
x = 157,678.92
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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.