Finding the Fourth Proportional to 253,767.12, 350,184.84 and 140,583.12
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Solution
The fourth proportional to 253,767.12, 350,184.84 and 140,583.12 is: 193,997.07
Step by Step Solution
- Step 1: Write the proportion equation
253,767.12 : 350,184.84 = 140,583.12 : x - Step 2: Convert to fraction form
253,767.12/350,184.84 = 140,583.12/x - Step 3: Cross multiply
253,767.12x = 350,184.84 × 140,583.12 - Step 4: Simplify right side
253,767.12x = 49,230,077,383.90 - Step 5: Solve for x
x = 49,230,077,383.90/253,767.12 - Step 6: Final answer
x = 193,997.07
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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.