Finding the Fourth Proportional to 143,635.24, 215,462.70 and 48,826.84
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Solution
The fourth proportional to 143,635.24, 215,462.70 and 48,826.84 is: 73,243.60
Step by Step Solution
- Step 1: Write the proportion equation
143,635.24 : 215,462.70 = 48,826.84 : x - Step 2: Convert to fraction form
143,635.24/215,462.70 = 48,826.84/x - Step 3: Cross multiply
143,635.24x = 215,462.70 × 48,826.84 - Step 4: Simplify right side
143,635.24x = 10,520,362,778.87 - Step 5: Solve for x
x = 10,520,362,778.87/143,635.24 - Step 6: Final answer
x = 73,243.60
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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.