Finding the Fourth Proportional to 253,420.75, 380,130.82 and 116,630.08
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Solution
The fourth proportional to 253,420.75, 380,130.82 and 116,630.08 is: 174,944.98
Step by Step Solution
- Step 1: Write the proportion equation
253,420.75 : 380,130.82 = 116,630.08 : x - Step 2: Convert to fraction form
253,420.75/380,130.82 = 116,630.08/x - Step 3: Cross multiply
253,420.75x = 380,130.82 × 116,630.08 - Step 4: Simplify right side
253,420.75x = 44,334,687,361.21 - Step 5: Solve for x
x = 44,334,687,361.21/253,420.75 - Step 6: Final answer
x = 174,944.98
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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.