Finding the Fourth Proportional to 121,860.83, 182,660.02 and 116,273.99
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Solution
The fourth proportional to 121,860.83, 182,660.02 and 116,273.99 is: 174,285.78
Step by Step Solution
- Step 1: Write the proportion equation
121,860.83 : 182,660.02 = 116,273.99 : x - Step 2: Convert to fraction form
121,860.83/182,660.02 = 116,273.99/x - Step 3: Cross multiply
121,860.83x = 182,660.02 × 116,273.99 - Step 4: Simplify right side
121,860.83x = 21,238,609,338.88 - Step 5: Solve for x
x = 21,238,609,338.88/121,860.83 - Step 6: Final answer
x = 174,285.78
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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.