Finding the Fourth Proportional to 177,364.92, 265,973.94 and 72,112.44
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Solution
The fourth proportional to 177,364.92, 265,973.94 and 72,112.44 is: 108,138.80
Step by Step Solution
- Step 1: Write the proportion equation
177,364.92 : 265,973.94 = 72,112.44 : x - Step 2: Convert to fraction form
177,364.92/265,973.94 = 72,112.44/x - Step 3: Cross multiply
177,364.92x = 265,973.94 × 72,112.44 - Step 4: Simplify right side
177,364.92x = 19,180,029,789.81 - Step 5: Solve for x
x = 19,180,029,789.81/177,364.92 - Step 6: Final answer
x = 108,138.80
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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.