Finding the Fourth Proportional to 372,550.86, 558,489.36 and 135,838.19
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Solution
The fourth proportional to 372,550.86, 558,489.36 and 135,838.19 is: 203,634.43
Step by Step Solution
- Step 1: Write the proportion equation
372,550.86 : 558,489.36 = 135,838.19 : x - Step 2: Convert to fraction form
372,550.86/558,489.36 = 135,838.19/x - Step 3: Cross multiply
372,550.86x = 558,489.36 × 135,838.19 - Step 4: Simplify right side
372,550.86x = 75,864,183,796.66 - Step 5: Solve for x
x = 75,864,183,796.66/372,550.86 - Step 6: Final answer
x = 203,634.43
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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.