Finding the Fourth Proportional to 788,163.12, 1,182,410.64 and 255,642.48
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Solution
The fourth proportional to 788,163.12, 1,182,410.64 and 255,642.48 is: 383,517.55
Step by Step Solution
- Step 1: Write the proportion equation
788,163.12 : 1,182,410.64 = 255,642.48 : x - Step 2: Convert to fraction form
788,163.12/1,182,410.64 = 255,642.48/x - Step 3: Cross multiply
788,163.12x = 1,182,410.64 × 255,642.48 - Step 4: Simplify right side
788,163.12x = 302,274,388,387.99 - Step 5: Solve for x
x = 302,274,388,387.99/788,163.12 - Step 6: Final answer
x = 383,517.55
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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.