Finding the Fourth Proportional to 176,129.36, 263,977.52 and 81,227.80
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Solution
The fourth proportional to 176,129.36, 263,977.52 and 81,227.80 is: 121,741.84
Step by Step Solution
- Step 1: Write the proportion equation
176,129.36 : 263,977.52 = 81,227.80 : x - Step 2: Convert to fraction form
176,129.36/263,977.52 = 81,227.80/x - Step 3: Cross multiply
176,129.36x = 263,977.52 × 81,227.80 - Step 4: Simplify right side
176,129.36x = 21,442,313,199.06 - Step 5: Solve for x
x = 21,442,313,199.06/176,129.36 - Step 6: Final answer
x = 121,741.84
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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.