Finding the Fourth Proportional to 147,563.11, 221,213.17 and 54,046.99
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Solution
The fourth proportional to 147,563.11, 221,213.17 and 54,046.99 is: 81,022.32
Step by Step Solution
- Step 1: Write the proportion equation
147,563.11 : 221,213.17 = 54,046.99 : x - Step 2: Convert to fraction form
147,563.11/221,213.17 = 54,046.99/x - Step 3: Cross multiply
147,563.11x = 221,213.17 × 54,046.99 - Step 4: Simplify right side
147,563.11x = 11,955,905,986.86 - Step 5: Solve for x
x = 11,955,905,986.86/147,563.11 - Step 6: Final answer
x = 81,022.32
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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.