Finding the Fourth Proportional to 252,621.36, 348,611.85 and 137,902.14
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Solution
The fourth proportional to 252,621.36, 348,611.85 and 137,902.14 is: 190,301.88
Step by Step Solution
- Step 1: Write the proportion equation
252,621.36 : 348,611.85 = 137,902.14 : x - Step 2: Convert to fraction form
252,621.36/348,611.85 = 137,902.14/x - Step 3: Cross multiply
252,621.36x = 348,611.85 × 137,902.14 - Step 4: Simplify right side
252,621.36x = 48,074,320,144.36 - Step 5: Solve for x
x = 48,074,320,144.36/252,621.36 - Step 6: Final answer
x = 190,301.88
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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.