Finding the Fourth Proportional to 268,858.78, 403,537.26 and 135,832.78
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Solution
The fourth proportional to 268,858.78, 403,537.26 and 135,832.78 is: 203,875.02
Step by Step Solution
- Step 1: Write the proportion equation
268,858.78 : 403,537.26 = 135,832.78 : x - Step 2: Convert to fraction form
268,858.78/403,537.26 = 135,832.78/x - Step 3: Cross multiply
268,858.78x = 403,537.26 × 135,832.78 - Step 4: Simplify right side
268,858.78x = 54,813,587,859.38 - Step 5: Solve for x
x = 54,813,587,859.38/268,858.78 - Step 6: Final answer
x = 203,875.02
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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.