Finding the Fourth Proportional to 173,770.56, 239,865.12 and 105,756.48
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Solution
The fourth proportional to 173,770.56, 239,865.12 and 105,756.48 is: 145,981.52
Step by Step Solution
- Step 1: Write the proportion equation
173,770.56 : 239,865.12 = 105,756.48 : x - Step 2: Convert to fraction form
173,770.56/239,865.12 = 105,756.48/x - Step 3: Cross multiply
173,770.56x = 239,865.12 × 105,756.48 - Step 4: Simplify right side
173,770.56x = 25,367,290,765.98 - Step 5: Solve for x
x = 25,367,290,765.98/173,770.56 - Step 6: Final answer
x = 145,981.52
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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.