Finding the Fourth Proportional to 407,070.62, 561,824.73 and 225,840.94
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Solution
The fourth proportional to 407,070.62, 561,824.73 and 225,840.94 is: 311,697.82
Step by Step Solution
- Step 1: Write the proportion equation
407,070.62 : 561,824.73 = 225,840.94 : x - Step 2: Convert to fraction form
407,070.62/561,824.73 = 225,840.94/x - Step 3: Cross multiply
407,070.62x = 561,824.73 × 225,840.94 - Step 4: Simplify right side
407,070.62x = 126,883,025,558.43 - Step 5: Solve for x
x = 126,883,025,558.43/407,070.62 - Step 6: Final answer
x = 311,697.82
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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.