Finding the Fourth Proportional to 211,048.70, 291,244.99 and 114,250.38
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Solution
The fourth proportional to 211,048.70, 291,244.99 and 114,250.38 is: 157,664.33
Step by Step Solution
- Step 1: Write the proportion equation
211,048.70 : 291,244.99 = 114,250.38 : x - Step 2: Convert to fraction form
211,048.70/291,244.99 = 114,250.38/x - Step 3: Cross multiply
211,048.70x = 291,244.99 × 114,250.38 - Step 4: Simplify right side
211,048.70x = 33,274,850,494.97 - Step 5: Solve for x
x = 33,274,850,494.97/211,048.70 - Step 6: Final answer
x = 157,664.33
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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.