Finding the Fourth Proportional to 135,960.34, 203,969.70 and 57,029.08
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Solution
The fourth proportional to 135,960.34, 203,969.70 and 57,029.08 is: 85,555.86
Step by Step Solution
- Step 1: Write the proportion equation
135,960.34 : 203,969.70 = 57,029.08 : x - Step 2: Convert to fraction form
135,960.34/203,969.70 = 57,029.08/x - Step 3: Cross multiply
135,960.34x = 203,969.70 × 57,029.08 - Step 4: Simplify right side
135,960.34x = 11,632,204,338.88 - Step 5: Solve for x
x = 11,632,204,338.88/135,960.34 - Step 6: Final answer
x = 85,555.86
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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.