Finding the Fourth Proportional to 235,619.97, 353,462.80 and 75,700.75
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Solution
The fourth proportional to 235,619.97, 353,462.80 and 75,700.75 is: 113,561.68
Step by Step Solution
- Step 1: Write the proportion equation
235,619.97 : 353,462.80 = 75,700.75 : x - Step 2: Convert to fraction form
235,619.97/353,462.80 = 75,700.75/x - Step 3: Cross multiply
235,619.97x = 353,462.80 × 75,700.75 - Step 4: Simplify right side
235,619.97x = 26,757,399,057.10 - Step 5: Solve for x
x = 26,757,399,057.10/235,619.97 - Step 6: Final answer
x = 113,561.68
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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.