Finding the Fourth Proportional to 269,243.68, 403,860.96 and 79,703.23
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Solution
The fourth proportional to 269,243.68, 403,860.96 and 79,703.23 is: 119,553.50
Step by Step Solution
- Step 1: Write the proportion equation
269,243.68 : 403,860.96 = 79,703.23 : x - Step 2: Convert to fraction form
269,243.68/403,860.96 = 79,703.23/x - Step 3: Cross multiply
269,243.68x = 403,860.96 × 79,703.23 - Step 4: Simplify right side
269,243.68x = 32,189,022,982.90 - Step 5: Solve for x
x = 32,189,022,982.90/269,243.68 - Step 6: Final answer
x = 119,553.50
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1.5x scale
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.