Finding the Fourth Proportional to 151,543.24, 209,125.64 and 83,559.05
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Solution
The fourth proportional to 151,543.24, 209,125.64 and 83,559.05 is: 115,309.27
Step by Step Solution
- Step 1: Write the proportion equation
151,543.24 : 209,125.64 = 83,559.05 : x - Step 2: Convert to fraction form
151,543.24/209,125.64 = 83,559.05/x - Step 3: Cross multiply
151,543.24x = 209,125.64 × 83,559.05 - Step 4: Simplify right side
151,543.24x = 17,474,340,540.75 - Step 5: Solve for x
x = 17,474,340,540.75/151,543.24 - Step 6: Final answer
x = 115,309.27
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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.