Finding the Fourth Proportional to 135,958.18, 203,891.11 and 51,698.02
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Solution
The fourth proportional to 135,958.18, 203,891.11 and 51,698.02 is: 77,529.48
Step by Step Solution
- Step 1: Write the proportion equation
135,958.18 : 203,891.11 = 51,698.02 : x - Step 2: Convert to fraction form
135,958.18/203,891.11 = 51,698.02/x - Step 3: Cross multiply
135,958.18x = 203,891.11 × 51,698.02 - Step 4: Simplify right side
135,958.18x = 10,540,766,682.60 - Step 5: Solve for x
x = 10,540,766,682.60/135,958.18 - Step 6: Final answer
x = 77,529.48
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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.