Finding the Fourth Proportional to 217,954.32, 326,797.73 and 84,678.99
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Solution
The fourth proportional to 217,954.32, 326,797.73 and 84,678.99 is: 126,966.52
Step by Step Solution
- Step 1: Write the proportion equation
217,954.32 : 326,797.73 = 84,678.99 : x - Step 2: Convert to fraction form
217,954.32/326,797.73 = 84,678.99/x - Step 3: Cross multiply
217,954.32x = 326,797.73 × 84,678.99 - Step 4: Simplify right side
217,954.32x = 27,672,901,710.69 - Step 5: Solve for x
x = 27,672,901,710.69/217,954.32 - Step 6: Final answer
x = 126,966.52
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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.