Finding the Fourth Proportional to 371,395.75, 512,532.21 and 201,630.01
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Solution
The fourth proportional to 371,395.75, 512,532.21 and 201,630.01 is: 278,252.71
Step by Step Solution
- Step 1: Write the proportion equation
371,395.75 : 512,532.21 = 201,630.01 : x - Step 2: Convert to fraction form
371,395.75/512,532.21 = 201,630.01/x - Step 3: Cross multiply
371,395.75x = 512,532.21 × 201,630.01 - Step 4: Simplify right side
371,395.75x = 103,341,874,627.62 - Step 5: Solve for x
x = 103,341,874,627.62/371,395.75 - Step 6: Final answer
x = 278,252.71
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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.