Finding the Fourth Proportional to 268,871.15, 403,556.00 and 135,845.12
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Solution
The fourth proportional to 268,871.15, 403,556.00 and 135,845.12 is: 203,893.62
Step by Step Solution
- Step 1: Write the proportion equation
268,871.15 : 403,556.00 = 135,845.12 : x - Step 2: Convert to fraction form
268,871.15/403,556.00 = 135,845.12/x - Step 3: Cross multiply
268,871.15x = 403,556.00 × 135,845.12 - Step 4: Simplify right side
268,871.15x = 54,821,110,549.71 - Step 5: Solve for x
x = 54,821,110,549.71/268,871.15 - Step 6: Final answer
x = 203,893.62
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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.