Finding the Fourth Proportional to 221,554.88, 331,749.12 and 132,597.44
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Solution
The fourth proportional to 221,554.88, 331,749.12 and 132,597.44 is: 198,547.12
Step by Step Solution
- Step 1: Write the proportion equation
221,554.88 : 331,749.12 = 132,597.44 : x - Step 2: Convert to fraction form
221,554.88/331,749.12 = 132,597.44/x - Step 3: Cross multiply
221,554.88x = 331,749.12 × 132,597.44 - Step 4: Simplify right side
221,554.88x = 43,989,084,034.25 - Step 5: Solve for x
x = 43,989,084,034.25/221,554.88 - Step 6: Final answer
x = 198,547.12
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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.