Finding the Fourth Proportional to 372,399.96, 513,910.53 and 211,286.10
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Solution
The fourth proportional to 372,399.96, 513,910.53 and 211,286.10 is: 291,574.02
Step by Step Solution
- Step 1: Write the proportion equation
372,399.96 : 513,910.53 = 211,286.10 : x - Step 2: Convert to fraction form
372,399.96/513,910.53 = 211,286.10/x - Step 3: Cross multiply
372,399.96x = 513,910.53 × 211,286.10 - Step 4: Simplify right side
372,399.96x = 108,582,151,632.63 - Step 5: Solve for x
x = 108,582,151,632.63/372,399.96 - Step 6: Final answer
x = 291,574.02
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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.