Finding the Fourth Proportional to 188,961.02, 282,775.81 and 117,917.09
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Solution
The fourth proportional to 188,961.02, 282,775.81 and 117,917.09 is: 176,460.20
Step by Step Solution
- Step 1: Write the proportion equation
188,961.02 : 282,775.81 = 117,917.09 : x - Step 2: Convert to fraction form
188,961.02/282,775.81 = 117,917.09/x - Step 3: Cross multiply
188,961.02x = 282,775.81 × 117,917.09 - Step 4: Simplify right side
188,961.02x = 33,344,098,634.13 - Step 5: Solve for x
x = 33,344,098,634.13/188,961.02 - Step 6: Final answer
x = 176,460.20
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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.