Finding the Fourth Proportional to 204,845.70, 307,268.55 and 57,101.70
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Solution
The fourth proportional to 204,845.70, 307,268.55 and 57,101.70 is: 85,652.55
Step by Step Solution
- Step 1: Write the proportion equation
204,845.70 : 307,268.55 = 57,101.70 : x - Step 2: Convert to fraction form
204,845.70/307,268.55 = 57,101.70/x - Step 3: Cross multiply
204,845.70x = 307,268.55 × 57,101.70 - Step 4: Simplify right side
204,845.70x = 17,545,556,561.54 - Step 5: Solve for x
x = 17,545,556,561.54/204,845.70 - Step 6: Final answer
x = 85,652.55
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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.