Finding the Fourth Proportional to 272,075.60, 408,114.36 and 82,537.62
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Solution
The fourth proportional to 272,075.60, 408,114.36 and 82,537.62 is: 123,806.72
Step by Step Solution
- Step 1: Write the proportion equation
272,075.60 : 408,114.36 = 82,537.62 : x - Step 2: Convert to fraction form
272,075.60/408,114.36 = 82,537.62/x - Step 3: Cross multiply
272,075.60x = 408,114.36 × 82,537.62 - Step 4: Simplify right side
272,075.60x = 33,684,787,962.22 - Step 5: Solve for x
x = 33,684,787,962.22/272,075.60 - Step 6: Final answer
x = 123,806.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.