Finding the Fourth Proportional to 134,917.24, 202,385.68 and 51,811.24
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Solution
The fourth proportional to 134,917.24, 202,385.68 and 51,811.24 is: 77,720.63
Step by Step Solution
- Step 1: Write the proportion equation
134,917.24 : 202,385.68 = 51,811.24 : x - Step 2: Convert to fraction form
134,917.24/202,385.68 = 51,811.24/x - Step 3: Cross multiply
134,917.24x = 202,385.68 × 51,811.24 - Step 4: Simplify right side
134,917.24x = 10,485,853,039.04 - Step 5: Solve for x
x = 10,485,853,039.04/134,917.24 - Step 6: Final answer
x = 77,720.63
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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.