Finding the Fourth Proportional to 371,977.26, 513,334.35 and 202,212.06
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Solution
The fourth proportional to 371,977.26, 513,334.35 and 202,212.06 is: 279,055.76
Step by Step Solution
- Step 1: Write the proportion equation
371,977.26 : 513,334.35 = 202,212.06 : x - Step 2: Convert to fraction form
371,977.26/513,334.35 = 202,212.06/x - Step 3: Cross multiply
371,977.26x = 513,334.35 × 202,212.06 - Step 4: Simplify right side
371,977.26x = 103,802,396,382.26 - Step 5: Solve for x
x = 103,802,396,382.26/371,977.26 - Step 6: Final answer
x = 279,055.76
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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.