Finding the Fourth Proportional to 371,570.97, 512,768.93 and 218,614.92
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Solution
The fourth proportional to 371,570.97, 512,768.93 and 218,614.92 is: 301,689.17
Step by Step Solution
- Step 1: Write the proportion equation
371,570.97 : 512,768.93 = 218,614.92 : x - Step 2: Convert to fraction form
371,570.97/512,768.93 = 218,614.92/x - Step 3: Cross multiply
371,570.97x = 512,768.93 × 218,614.92 - Step 4: Simplify right side
371,570.97x = 112,098,938,610.44 - Step 5: Solve for x
x = 112,098,938,610.44/371,570.97 - Step 6: Final answer
x = 301,689.17
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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.