Finding the Fourth Proportional to 393,713.18, 590,663.84 and 127,473.99
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Solution
The fourth proportional to 393,713.18, 590,663.84 and 127,473.99 is: 191,241.44
Step by Step Solution
- Step 1: Write the proportion equation
393,713.18 : 590,663.84 = 127,473.99 : x - Step 2: Convert to fraction form
393,713.18/590,663.84 = 127,473.99/x - Step 3: Cross multiply
393,713.18x = 590,663.84 × 127,473.99 - Step 4: Simplify right side
393,713.18x = 75,294,276,433.52 - Step 5: Solve for x
x = 75,294,276,433.52/393,713.18 - Step 6: Final answer
x = 191,241.44
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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.