Finding the Fourth Proportional to 135,240.85, 202,879.73 and 56,336.63
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Solution
The fourth proportional to 135,240.85, 202,879.73 and 56,336.63 is: 84,512.63
Step by Step Solution
- Step 1: Write the proportion equation
135,240.85 : 202,879.73 = 56,336.63 : x - Step 2: Convert to fraction form
135,240.85/202,879.73 = 56,336.63/x - Step 3: Cross multiply
135,240.85x = 202,879.73 × 56,336.63 - Step 4: Simplify right side
135,240.85x = 11,429,559,409.95 - Step 5: Solve for x
x = 11,429,559,409.95/135,240.85 - Step 6: Final answer
x = 84,512.63
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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.