Finding the Fourth Proportional to 268,998.20, 403,497.30 and 174,519.80
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Solution
The fourth proportional to 268,998.20, 403,497.30 and 174,519.80 is: 261,779.70
Step by Step Solution
- Step 1: Write the proportion equation
268,998.20 : 403,497.30 = 174,519.80 : x - Step 2: Convert to fraction form
268,998.20/403,497.30 = 174,519.80/x - Step 3: Cross multiply
268,998.20x = 403,497.30 × 174,519.80 - Step 4: Simplify right side
268,998.20x = 70,418,268,096.54 - Step 5: Solve for x
x = 70,418,268,096.54/268,998.20 - Step 6: Final answer
x = 261,779.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.