Finding the Fourth Proportional to 147,863.36, 204,027.84 and 84,202.40
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Solution
The fourth proportional to 147,863.36, 204,027.84 and 84,202.40 is: 116,185.87
Step by Step Solution
- Step 1: Write the proportion equation
147,863.36 : 204,027.84 = 84,202.40 : x - Step 2: Convert to fraction form
147,863.36/204,027.84 = 84,202.40/x - Step 3: Cross multiply
147,863.36x = 204,027.84 × 84,202.40 - Step 4: Simplify right side
147,863.36x = 17,179,633,794.82 - Step 5: Solve for x
x = 17,179,633,794.82/147,863.36 - Step 6: Final answer
x = 116,185.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.