Finding the Fourth Proportional to 74,896.14, 112,338.06 and 22,305.63
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Solution
The fourth proportional to 74,896.14, 112,338.06 and 22,305.63 is: 33,456.61
Step by Step Solution
- Step 1: Write the proportion equation
74,896.14 : 112,338.06 = 22,305.63 : x - Step 2: Convert to fraction form
74,896.14/112,338.06 = 22,305.63/x - Step 3: Cross multiply
74,896.14x = 112,338.06 × 22,305.63 - Step 4: Simplify right side
74,896.14x = 2,505,771,201.28 - Step 5: Solve for x
x = 2,505,771,201.28/74,896.14 - Step 6: Final answer
x = 33,456.61
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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.