Finding the Fourth Proportional to 135,708.84, 203,592.78 and 56,782.44
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Solution
The fourth proportional to 135,708.84, 203,592.78 and 56,782.44 is: 85,186.01
Step by Step Solution
- Step 1: Write the proportion equation
135,708.84 : 203,592.78 = 56,782.44 : x - Step 2: Convert to fraction form
135,708.84/203,592.78 = 56,782.44/x - Step 3: Cross multiply
135,708.84x = 203,592.78 × 56,782.44 - Step 4: Simplify right side
135,708.84x = 11,560,494,814.78 - Step 5: Solve for x
x = 11,560,494,814.78/135,708.84 - Step 6: Final answer
x = 85,186.01
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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.