Finding the Fourth Proportional to 393,903.26, 590,730.96 and 127,601.99
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Solution
The fourth proportional to 393,903.26, 590,730.96 and 127,601.99 is: 191,362.84
Step by Step Solution
- Step 1: Write the proportion equation
393,903.26 : 590,730.96 = 127,601.99 : x - Step 2: Convert to fraction form
393,903.26/590,730.96 = 127,601.99/x - Step 3: Cross multiply
393,903.26x = 590,730.96 × 127,601.99 - Step 4: Simplify right side
393,903.26x = 75,378,446,310.52 - Step 5: Solve for x
x = 75,378,446,310.52/393,903.26 - Step 6: Final answer
x = 191,362.84
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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.