Finding the Fourth Proportional to 372,185.10, 513,600.62 and 202,419.36
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Solution
The fourth proportional to 372,185.10, 513,600.62 and 202,419.36 is: 279,330.66
Step by Step Solution
- Step 1: Write the proportion equation
372,185.10 : 513,600.62 = 202,419.36 : x - Step 2: Convert to fraction form
372,185.10/513,600.62 = 202,419.36/x - Step 3: Cross multiply
372,185.10x = 513,600.62 × 202,419.36 - Step 4: Simplify right side
372,185.10x = 103,962,707,783.91 - Step 5: Solve for x
x = 103,962,707,783.91/372,185.10 - Step 6: Final answer
x = 279,330.66
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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.