Finding the Fourth Proportional to 356,895.21, 492,546.99 and 195,781.66
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Solution
The fourth proportional to 356,895.21, 492,546.99 and 195,781.66 is: 270,196.02
Step by Step Solution
- Step 1: Write the proportion equation
356,895.21 : 492,546.99 = 195,781.66 : x - Step 2: Convert to fraction form
356,895.21/492,546.99 = 195,781.66/x - Step 3: Cross multiply
356,895.21x = 492,546.99 × 195,781.66 - Step 4: Simplify right side
356,895.21x = 96,431,666,833.02 - Step 5: Solve for x
x = 96,431,666,833.02/356,895.21 - Step 6: Final answer
x = 270,196.02
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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.