Finding the Fourth Proportional to 180,289.85, 248,770.26 and 99,701.63
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Solution
The fourth proportional to 180,289.85, 248,770.26 and 99,701.63 is: 137,571.80
Step by Step Solution
- Step 1: Write the proportion equation
180,289.85 : 248,770.26 = 99,701.63 : x - Step 2: Convert to fraction form
180,289.85/248,770.26 = 99,701.63/x - Step 3: Cross multiply
180,289.85x = 248,770.26 × 99,701.63 - Step 4: Simplify right side
180,289.85x = 24,802,799,173.67 - Step 5: Solve for x
x = 24,802,799,173.67/180,289.85 - Step 6: Final answer
x = 137,571.80
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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.