Finding the Fourth Proportional to 212,062.56, 292,646.96 and 121,419.92
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Solution
The fourth proportional to 212,062.56, 292,646.96 and 121,419.92 is: 167,559.85
Step by Step Solution
- Step 1: Write the proportion equation
212,062.56 : 292,646.96 = 121,419.92 : x - Step 2: Convert to fraction form
212,062.56/292,646.96 = 121,419.92/x - Step 3: Cross multiply
212,062.56x = 292,646.96 × 121,419.92 - Step 4: Simplify right side
212,062.56x = 35,533,170,471.44 - Step 5: Solve for x
x = 35,533,170,471.44/212,062.56 - Step 6: Final answer
x = 167,559.85
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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.