Finding the Fourth Proportional to 151,247.13, 208,720.91 and 93,865.05
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Solution
The fourth proportional to 151,247.13, 208,720.91 and 93,865.05 is: 129,533.69
Step by Step Solution
- Step 1: Write the proportion equation
151,247.13 : 208,720.91 = 93,865.05 : x - Step 2: Convert to fraction form
151,247.13/208,720.91 = 93,865.05/x - Step 3: Cross multiply
151,247.13x = 208,720.91 × 93,865.05 - Step 4: Simplify right side
151,247.13x = 19,591,598,183.87 - Step 5: Solve for x
x = 19,591,598,183.87/151,247.13 - Step 6: Final answer
x = 129,533.69
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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.