Finding the Fourth Proportional to 253,116.84, 379,381.42 and 95,244.68
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Solution
The fourth proportional to 253,116.84, 379,381.42 and 95,244.68 is: 142,756.45
Step by Step Solution
- Step 1: Write the proportion equation
253,116.84 : 379,381.42 = 95,244.68 : x - Step 2: Convert to fraction form
253,116.84/379,381.42 = 95,244.68/x - Step 3: Cross multiply
253,116.84x = 379,381.42 × 95,244.68 - Step 4: Simplify right side
253,116.84x = 36,134,061,945.85 - Step 5: Solve for x
x = 36,134,061,945.85/253,116.84 - Step 6: Final answer
x = 142,756.45
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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.