Finding the Fourth Proportional to 147,882.96, 221,665.68 and 53,021.88
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Solution
The fourth proportional to 147,882.96, 221,665.68 and 53,021.88 is: 79,475.90
Step by Step Solution
- Step 1: Write the proportion equation
147,882.96 : 221,665.68 = 53,021.88 : x - Step 2: Convert to fraction form
147,882.96/221,665.68 = 53,021.88/x - Step 3: Cross multiply
147,882.96x = 221,665.68 × 53,021.88 - Step 4: Simplify right side
147,882.96x = 11,753,131,085.08 - Step 5: Solve for x
x = 11,753,131,085.08/147,882.96 - Step 6: Final answer
x = 79,475.90
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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.