Finding the Fourth Proportional to 151,769.67, 209,247.44 and 124,445.08
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Solution
The fourth proportional to 151,769.67, 209,247.44 and 124,445.08 is: 171,574.56
Step by Step Solution
- Step 1: Write the proportion equation
151,769.67 : 209,247.44 = 124,445.08 : x - Step 2: Convert to fraction form
151,769.67/209,247.44 = 124,445.08/x - Step 3: Cross multiply
151,769.67x = 209,247.44 × 124,445.08 - Step 4: Simplify right side
151,769.67x = 26,039,815,099.93 - Step 5: Solve for x
x = 26,039,815,099.93/151,769.67 - Step 6: Final answer
x = 171,574.56
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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.