Finding the Fourth Proportional to 372,415.26, 513,933.04 and 202,650.60
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Solution
The fourth proportional to 372,415.26, 513,933.04 and 202,650.60 is: 279,657.82
Step by Step Solution
- Step 1: Write the proportion equation
372,415.26 : 513,933.04 = 202,650.60 : x - Step 2: Convert to fraction form
372,415.26/513,933.04 = 202,650.60/x - Step 3: Cross multiply
372,415.26x = 513,933.04 × 202,650.60 - Step 4: Simplify right side
372,415.26x = 104,148,838,915.82 - Step 5: Solve for x
x = 104,148,838,915.82/372,415.26 - Step 6: Final answer
x = 279,657.82
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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.