Finding the Fourth Proportional to 216,495.28, 324,783.24 and 76,342.96
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Solution
The fourth proportional to 216,495.28, 324,783.24 and 76,342.96 is: 114,528.66
Step by Step Solution
- Step 1: Write the proportion equation
216,495.28 : 324,783.24 = 76,342.96 : x - Step 2: Convert to fraction form
216,495.28/324,783.24 = 76,342.96/x - Step 3: Cross multiply
216,495.28x = 324,783.24 × 76,342.96 - Step 4: Simplify right side
216,495.28x = 24,794,913,899.99 - Step 5: Solve for x
x = 24,794,913,899.99/216,495.28 - Step 6: Final answer
x = 114,528.66
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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.