Finding the Fourth Proportional to 154,112.24, 212,673.23 and 85,201.41
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Solution
The fourth proportional to 154,112.24, 212,673.23 and 85,201.41 is: 117,577.02
Step by Step Solution
- Step 1: Write the proportion equation
154,112.24 : 212,673.23 = 85,201.41 : x - Step 2: Convert to fraction form
154,112.24/212,673.23 = 85,201.41/x - Step 3: Cross multiply
154,112.24x = 212,673.23 × 85,201.41 - Step 4: Simplify right side
154,112.24x = 18,120,058,719.74 - Step 5: Solve for x
x = 18,120,058,719.74/154,112.24 - Step 6: Final answer
x = 117,577.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.