Finding the Fourth Proportional to 135,416.99, 202,951.64 and 51,076.70
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Solution
The fourth proportional to 135,416.99, 202,951.64 and 51,076.70 is: 76,549.48
Step by Step Solution
- Step 1: Write the proportion equation
135,416.99 : 202,951.64 = 51,076.70 : x - Step 2: Convert to fraction form
135,416.99/202,951.64 = 51,076.70/x - Step 3: Cross multiply
135,416.99x = 202,951.64 × 51,076.70 - Step 4: Simplify right side
135,416.99x = 10,366,100,098.50 - Step 5: Solve for x
x = 10,366,100,098.50/135,416.99 - Step 6: Final answer
x = 76,549.48
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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.