Finding the Fourth Proportional to 165,901.80, 248,852.70 and 55,093.80
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Solution
The fourth proportional to 165,901.80, 248,852.70 and 55,093.80 is: 82,640.70
Step by Step Solution
- Step 1: Write the proportion equation
165,901.80 : 248,852.70 = 55,093.80 : x - Step 2: Convert to fraction form
165,901.80/248,852.70 = 55,093.80/x - Step 3: Cross multiply
165,901.80x = 248,852.70 × 55,093.80 - Step 4: Simplify right side
165,901.80x = 13,710,240,883.26 - Step 5: Solve for x
x = 13,710,240,883.26/165,901.80 - Step 6: Final answer
x = 82,640.70
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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.