Finding the Fourth Proportional to 113,518.09, 170,286.90 and 29,277.49
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Solution
The fourth proportional to 113,518.09, 170,286.90 and 29,277.49 is: 43,918.75
Step by Step Solution
- Step 1: Write the proportion equation
113,518.09 : 170,286.90 = 29,277.49 : x - Step 2: Convert to fraction form
113,518.09/170,286.90 = 29,277.49/x - Step 3: Cross multiply
113,518.09x = 170,286.90 × 29,277.49 - Step 4: Simplify right side
113,518.09x = 4,985,573,011.88 - Step 5: Solve for x
x = 4,985,573,011.88/113,518.09 - Step 6: Final answer
x = 43,918.75
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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.