Finding the Fourth Proportional to 121,859.83, 182,658.52 and 116,272.99
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Solution
The fourth proportional to 121,859.83, 182,658.52 and 116,272.99 is: 174,284.28
Step by Step Solution
- Step 1: Write the proportion equation
121,859.83 : 182,658.52 = 116,272.99 : x - Step 2: Convert to fraction form
121,859.83/182,658.52 = 116,272.99/x - Step 3: Cross multiply
121,859.83x = 182,658.52 × 116,272.99 - Step 4: Simplify right side
121,859.83x = 21,238,252,269.37 - Step 5: Solve for x
x = 21,238,252,269.37/121,859.83 - Step 6: Final answer
x = 174,284.28
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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.