Finding the Fourth Proportional to 305,098.84, 421,035.24 and 170,962.84
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Solution
The fourth proportional to 305,098.84, 421,035.24 and 170,962.84 is: 235,928.07
Step by Step Solution
- Step 1: Write the proportion equation
305,098.84 : 421,035.24 = 170,962.84 : x - Step 2: Convert to fraction form
305,098.84/421,035.24 = 170,962.84/x - Step 3: Cross multiply
305,098.84x = 421,035.24 × 170,962.84 - Step 4: Simplify right side
305,098.84x = 71,981,380,370.48 - Step 5: Solve for x
x = 71,981,380,370.48/305,098.84 - Step 6: Final answer
x = 235,928.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.