Finding the Fourth Proportional to 371,220.84, 512,284.50 and 201,454.56
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Solution
The fourth proportional to 371,220.84, 512,284.50 and 201,454.56 is: 278,007.15
Step by Step Solution
- Step 1: Write the proportion equation
371,220.84 : 512,284.50 = 201,454.56 : x - Step 2: Convert to fraction form
371,220.84/512,284.50 = 201,454.56/x - Step 3: Cross multiply
371,220.84x = 512,284.50 × 201,454.56 - Step 4: Simplify right side
371,220.84x = 103,202,048,542.32 - Step 5: Solve for x
x = 103,202,048,542.32/371,220.84 - Step 6: Final answer
x = 278,007.15
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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.