Finding the Fourth Proportional to 113,474.66, 169,982.35 and 57,236.36
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Solution
The fourth proportional to 113,474.66, 169,982.35 and 57,236.36 is: 85,738.71
Step by Step Solution
- Step 1: Write the proportion equation
113,474.66 : 169,982.35 = 57,236.36 : x - Step 2: Convert to fraction form
113,474.66/169,982.35 = 57,236.36/x - Step 3: Cross multiply
113,474.66x = 169,982.35 × 57,236.36 - Step 4: Simplify right side
113,474.66x = 9,729,169,985.24 - Step 5: Solve for x
x = 9,729,169,985.24/113,474.66 - Step 6: Final answer
x = 85,738.71
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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.