Finding the Fourth Proportional to 371,832.12, 513,126.36 and 202,066.92
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Solution
The fourth proportional to 371,832.12, 513,126.36 and 202,066.92 is: 278,851.28
Step by Step Solution
- Step 1: Write the proportion equation
371,832.12 : 513,126.36 = 202,066.92 : x - Step 2: Convert to fraction form
371,832.12/513,126.36 = 202,066.92/x - Step 3: Cross multiply
371,832.12x = 513,126.36 × 202,066.92 - Step 4: Simplify right side
371,832.12x = 103,685,863,136.01 - Step 5: Solve for x
x = 103,685,863,136.01/371,832.12 - Step 6: Final answer
x = 278,851.28
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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.