Finding the Fourth Proportional to 181,452.78, 272,201.04 and 76,258.08
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Solution
The fourth proportional to 181,452.78, 272,201.04 and 76,258.08 is: 114,396.31
Step by Step Solution
- Step 1: Write the proportion equation
181,452.78 : 272,201.04 = 76,258.08 : x - Step 2: Convert to fraction form
181,452.78/272,201.04 = 76,258.08/x - Step 3: Cross multiply
181,452.78x = 272,201.04 × 76,258.08 - Step 4: Simplify right side
181,452.78x = 20,757,528,684.40 - Step 5: Solve for x
x = 20,757,528,684.40/181,452.78 - Step 6: Final answer
x = 114,396.31
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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.