Finding the Fourth Proportional to 154,040.24, 212,589.72 and 93,596.88
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Solution
The fourth proportional to 154,040.24, 212,589.72 and 93,596.88 is: 129,172.32
Step by Step Solution
- Step 1: Write the proportion equation
154,040.24 : 212,589.72 = 93,596.88 : x - Step 2: Convert to fraction form
154,040.24/212,589.72 = 93,596.88/x - Step 3: Cross multiply
154,040.24x = 212,589.72 × 93,596.88 - Step 4: Simplify right side
154,040.24x = 19,897,734,512.07 - Step 5: Solve for x
x = 19,897,734,512.07/154,040.24 - Step 6: Final answer
x = 129,172.32
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1.5x scale
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.