Finding the Fourth Proportional to 354,759.49, 489,349.17 and 252,817.62
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Solution
The fourth proportional to 354,759.49, 489,349.17 and 252,817.62 is: 348,732.30
Step by Step Solution
- Step 1: Write the proportion equation
354,759.49 : 489,349.17 = 252,817.62 : x - Step 2: Convert to fraction form
354,759.49/489,349.17 = 252,817.62/x - Step 3: Cross multiply
354,759.49x = 489,349.17 × 252,817.62 - Step 4: Simplify right side
354,759.49x = 123,716,092,508.38 - Step 5: Solve for x
x = 123,716,092,508.38/354,759.49 - Step 6: Final answer
x = 348,732.30
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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.