Finding the Fourth Proportional to 372,282.76, 513,749.82 and 202,516.48
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Solution
The fourth proportional to 372,282.76, 513,749.82 and 202,516.48 is: 279,472.53
Step by Step Solution
- Step 1: Write the proportion equation
372,282.76 : 513,749.82 = 202,516.48 : x - Step 2: Convert to fraction form
372,282.76/513,749.82 = 202,516.48/x - Step 3: Cross multiply
372,282.76x = 513,749.82 × 202,516.48 - Step 4: Simplify right side
372,282.76x = 104,042,805,147.03 - Step 5: Solve for x
x = 104,042,805,147.03/372,282.76 - Step 6: Final answer
x = 279,472.53
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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.