Finding the Fourth Proportional to 300,909.53, 415,297.68 and 186,225.13
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Solution
The fourth proportional to 300,909.53, 415,297.68 and 186,225.13 is: 257,016.99
Step by Step Solution
- Step 1: Write the proportion equation
300,909.53 : 415,297.68 = 186,225.13 : x - Step 2: Convert to fraction form
300,909.53/415,297.68 = 186,225.13/x - Step 3: Cross multiply
300,909.53x = 415,297.68 × 186,225.13 - Step 4: Simplify right side
300,909.53x = 77,338,862,978.94 - Step 5: Solve for x
x = 77,338,862,978.94/300,909.53 - Step 6: Final answer
x = 257,016.99
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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.