Finding the Fourth Proportional to 372,336.75, 513,824.72 and 202,572.09
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Solution
The fourth proportional to 372,336.75, 513,824.72 and 202,572.09 is: 279,549.48
Step by Step Solution
- Step 1: Write the proportion equation
372,336.75 : 513,824.72 = 202,572.09 : x - Step 2: Convert to fraction form
372,336.75/513,824.72 = 202,572.09/x - Step 3: Cross multiply
372,336.75x = 513,824.72 × 202,572.09 - Step 4: Simplify right side
372,336.75x = 104,086,546,411.20 - Step 5: Solve for x
x = 104,086,546,411.20/372,336.75 - Step 6: Final answer
x = 279,549.48
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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.