Finding the Fourth Proportional to 393,902.95, 590,730.50 and 127,601.68
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Solution
The fourth proportional to 393,902.95, 590,730.50 and 127,601.68 is: 191,362.37
Step by Step Solution
- Step 1: Write the proportion equation
393,902.95 : 590,730.50 = 127,601.68 : x - Step 2: Convert to fraction form
393,902.95/590,730.50 = 127,601.68/x - Step 3: Cross multiply
393,902.95x = 590,730.50 × 127,601.68 - Step 4: Simplify right side
393,902.95x = 75,378,203,589.23 - Step 5: Solve for x
x = 75,378,203,589.23/393,902.95 - Step 6: Final answer
x = 191,362.37
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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.