Finding the Fourth Proportional to 100,943.99, 151,485.89 and 40,148.03
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Solution
The fourth proportional to 100,943.99, 151,485.89 and 40,148.03 is: 60,249.84
Step by Step Solution
- Step 1: Write the proportion equation
100,943.99 : 151,485.89 = 40,148.03 : x - Step 2: Convert to fraction form
100,943.99/151,485.89 = 40,148.03/x - Step 3: Cross multiply
100,943.99x = 151,485.89 × 40,148.03 - Step 4: Simplify right side
100,943.99x = 6,081,859,399.24 - Step 5: Solve for x
x = 6,081,859,399.24/100,943.99 - Step 6: Final answer
x = 60,249.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.