Finding the Fourth Proportional to 438,690.24, 657,936.84 and 201,805.20
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Solution
The fourth proportional to 438,690.24, 657,936.84 and 201,805.20 is: 302,662.48
Step by Step Solution
- Step 1: Write the proportion equation
438,690.24 : 657,936.84 = 201,805.20 : x - Step 2: Convert to fraction form
438,690.24/657,936.84 = 201,805.20/x - Step 3: Cross multiply
438,690.24x = 657,936.84 × 201,805.20 - Step 4: Simplify right side
438,690.24x = 132,775,075,583.57 - Step 5: Solve for x
x = 132,775,075,583.57/438,690.24 - Step 6: Final answer
x = 302,662.48
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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.