Finding the Fourth Proportional to 211,843.02, 292,393.78 and 121,251.26
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Solution
The fourth proportional to 211,843.02, 292,393.78 and 121,251.26 is: 167,355.59
Step by Step Solution
- Step 1: Write the proportion equation
211,843.02 : 292,393.78 = 121,251.26 : x - Step 2: Convert to fraction form
211,843.02/292,393.78 = 121,251.26/x - Step 3: Cross multiply
211,843.02x = 292,393.78 × 121,251.26 - Step 4: Simplify right side
211,843.02x = 35,453,114,241.16 - Step 5: Solve for x
x = 35,453,114,241.16/211,843.02 - Step 6: Final answer
x = 167,355.59
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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.