Finding the Fourth Proportional to 157,869.56, 217,922.33 and 97,464.62
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Solution
The fourth proportional to 157,869.56, 217,922.33 and 97,464.62 is: 134,539.66
Step by Step Solution
- Step 1: Write the proportion equation
157,869.56 : 217,922.33 = 97,464.62 : x - Step 2: Convert to fraction form
157,869.56/217,922.33 = 97,464.62/x - Step 3: Cross multiply
157,869.56x = 217,922.33 × 97,464.62 - Step 4: Simplify right side
157,869.56x = 21,239,717,082.96 - Step 5: Solve for x
x = 21,239,717,082.96/157,869.56 - Step 6: Final answer
x = 134,539.66
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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.