Finding the Fourth Proportional to 135,074.70, 202,488.20 and 51,906.06
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Solution
The fourth proportional to 135,074.70, 202,488.20 and 51,906.06 is: 77,811.50
Step by Step Solution
- Step 1: Write the proportion equation
135,074.70 : 202,488.20 = 51,906.06 : x - Step 2: Convert to fraction form
135,074.70/202,488.20 = 51,906.06/x - Step 3: Cross multiply
135,074.70x = 202,488.20 × 51,906.06 - Step 4: Simplify right side
135,074.70x = 10,510,364,658.49 - Step 5: Solve for x
x = 10,510,364,658.49/135,074.70 - Step 6: Final answer
x = 77,811.50
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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.