Finding the Fourth Proportional to 371,880.44, 513,199.02 and 202,114.60
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Solution
The fourth proportional to 371,880.44, 513,199.02 and 202,114.60 is: 278,920.33
Step by Step Solution
- Step 1: Write the proportion equation
371,880.44 : 513,199.02 = 202,114.60 : x - Step 2: Convert to fraction form
371,880.44/513,199.02 = 202,114.60/x - Step 3: Cross multiply
371,880.44x = 513,199.02 × 202,114.60 - Step 4: Simplify right side
371,880.44x = 103,725,014,647.69 - Step 5: Solve for x
x = 103,725,014,647.69/371,880.44 - Step 6: Final answer
x = 278,920.33
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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.