Finding the Fourth Proportional to 372,216.72, 513,655.20 and 202,450.80
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Solution
The fourth proportional to 372,216.72, 513,655.20 and 202,450.80 is: 279,380.00
Step by Step Solution
- Step 1: Write the proportion equation
372,216.72 : 513,655.20 = 202,450.80 : x - Step 2: Convert to fraction form
372,216.72/513,655.20 = 202,450.80/x - Step 3: Cross multiply
372,216.72x = 513,655.20 × 202,450.80 - Step 4: Simplify right side
372,216.72x = 103,989,906,164.16 - Step 5: Solve for x
x = 103,989,906,164.16/372,216.72 - Step 6: Final answer
x = 279,380.00
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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.