Finding the Fourth Proportional to 211,753.29, 292,136.19 and 121,060.52
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Solution
The fourth proportional to 211,753.29, 292,136.19 and 121,060.52 is: 167,015.88
Step by Step Solution
- Step 1: Write the proportion equation
211,753.29 : 292,136.19 = 121,060.52 : x - Step 2: Convert to fraction form
211,753.29/292,136.19 = 121,060.52/x - Step 3: Cross multiply
211,753.29x = 292,136.19 × 121,060.52 - Step 4: Simplify right side
211,753.29x = 35,366,160,917.79 - Step 5: Solve for x
x = 35,366,160,917.79/211,753.29 - Step 6: Final answer
x = 167,015.88
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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.