Finding the Fourth Proportional to 356,354.13, 491,768.82 and 195,214.98
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Solution
The fourth proportional to 356,354.13, 491,768.82 and 195,214.98 is: 269,396.74
Step by Step Solution
- Step 1: Write the proportion equation
356,354.13 : 491,768.82 = 195,214.98 : x - Step 2: Convert to fraction form
356,354.13/491,768.82 = 195,214.98/x - Step 3: Cross multiply
356,354.13x = 491,768.82 × 195,214.98 - Step 4: Simplify right side
356,354.13x = 96,000,640,360.92 - Step 5: Solve for x
x = 96,000,640,360.92/356,354.13 - Step 6: Final answer
x = 269,396.74
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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.