Finding the Fourth Proportional to 371,271.87, 512,355.69 and 201,506.00
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Solution
The fourth proportional to 371,271.87, 512,355.69 and 201,506.00 is: 278,078.55
Step by Step Solution
- Step 1: Write the proportion equation
371,271.87 : 512,355.69 = 201,506.00 : x - Step 2: Convert to fraction form
371,271.87/512,355.69 = 201,506.00/x - Step 3: Cross multiply
371,271.87x = 512,355.69 × 201,506.00 - Step 4: Simplify right side
371,271.87x = 103,242,743,107.36 - Step 5: Solve for x
x = 103,242,743,107.36/371,271.87 - Step 6: Final answer
x = 278,078.55
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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.