Finding the Fourth Proportional to 371,969.49, 513,323.03 and 202,207.26
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Solution
The fourth proportional to 371,969.49, 513,323.03 and 202,207.26 is: 279,048.81
Step by Step Solution
- Step 1: Write the proportion equation
371,969.49 : 513,323.03 = 202,207.26 : x - Step 2: Convert to fraction form
371,969.49/513,323.03 = 202,207.26/x - Step 3: Cross multiply
371,969.49x = 513,323.03 × 202,207.26 - Step 4: Simplify right side
371,969.49x = 103,797,643,391.20 - Step 5: Solve for x
x = 103,797,643,391.20/371,969.49 - Step 6: Final answer
x = 279,048.81
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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.