Finding the Fourth Proportional to 372,099.75, 513,497.66 and 202,335.09
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Solution
The fourth proportional to 372,099.75, 513,497.66 and 202,335.09 is: 279,222.42
Step by Step Solution
- Step 1: Write the proportion equation
372,099.75 : 513,497.66 = 202,335.09 : x - Step 2: Convert to fraction form
372,099.75/513,497.66 = 202,335.09/x - Step 3: Cross multiply
372,099.75x = 513,497.66 × 202,335.09 - Step 4: Simplify right side
372,099.75x = 103,898,594,239.21 - Step 5: Solve for x
x = 103,898,594,239.21/372,099.75 - Step 6: Final answer
x = 279,222.42
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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.