Finding the Fourth Proportional to 372,272.76, 513,736.02 and 202,506.48
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Solution
The fourth proportional to 372,272.76, 513,736.02 and 202,506.48 is: 279,458.73
Step by Step Solution
- Step 1: Write the proportion equation
372,272.76 : 513,736.02 = 202,506.48 : x - Step 2: Convert to fraction form
372,272.76/513,736.02 = 202,506.48/x - Step 3: Cross multiply
372,272.76x = 513,736.02 × 202,506.48 - Step 4: Simplify right side
372,272.76x = 104,034,873,059.41 - Step 5: Solve for x
x = 104,034,873,059.41/372,272.76 - Step 6: Final answer
x = 279,458.73
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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.