Finding the Fourth Proportional to 371,744.88, 513,012.60 and 201,981.84
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Solution
The fourth proportional to 371,744.88, 513,012.60 and 201,981.84 is: 278,737.47
Step by Step Solution
- Step 1: Write the proportion equation
371,744.88 : 513,012.60 = 201,981.84 : x - Step 2: Convert to fraction form
371,744.88/513,012.60 = 201,981.84/x - Step 3: Cross multiply
371,744.88x = 513,012.60 × 201,981.84 - Step 4: Simplify right side
371,744.88x = 103,619,228,891.18 - Step 5: Solve for x
x = 103,619,228,891.18/371,744.88 - Step 6: Final answer
x = 278,737.47
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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.