Finding the Fourth Proportional to 356,316.60, 491,716.80 and 195,181.68
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Solution
The fourth proportional to 356,316.60, 491,716.80 and 195,181.68 is: 269,350.66
Step by Step Solution
- Step 1: Write the proportion equation
356,316.60 : 491,716.80 = 195,181.68 : x - Step 2: Convert to fraction form
356,316.60/491,716.80 = 195,181.68/x - Step 3: Cross multiply
356,316.60x = 491,716.80 × 195,181.68 - Step 4: Simplify right side
356,316.60x = 95,974,111,108.22 - Step 5: Solve for x
x = 95,974,111,108.22/356,316.60 - Step 6: Final answer
x = 269,350.66
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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.