Finding the Fourth Proportional to 211,803.95, 292,296.32 and 121,160.09
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Solution
The fourth proportional to 211,803.95, 292,296.32 and 121,160.09 is: 167,204.86
Step by Step Solution
- Step 1: Write the proportion equation
211,803.95 : 292,296.32 = 121,160.09 : x - Step 2: Convert to fraction form
211,803.95/292,296.32 = 121,160.09/x - Step 3: Cross multiply
211,803.95x = 292,296.32 × 121,160.09 - Step 4: Simplify right side
211,803.95x = 35,414,649,471.51 - Step 5: Solve for x
x = 35,414,649,471.51/211,803.95 - Step 6: Final answer
x = 167,204.86
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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.