Finding the Fourth Proportional to 193,530.30, 289,906.65 and 134,432.70
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Solution
The fourth proportional to 193,530.30, 289,906.65 and 134,432.70 is: 201,378.98
Step by Step Solution
- Step 1: Write the proportion equation
193,530.30 : 289,906.65 = 134,432.70 : x - Step 2: Convert to fraction form
193,530.30/289,906.65 = 134,432.70/x - Step 3: Cross multiply
193,530.30x = 289,906.65 × 134,432.70 - Step 4: Simplify right side
193,530.30x = 38,972,933,707.46 - Step 5: Solve for x
x = 38,972,933,707.46/193,530.30 - Step 6: Final answer
x = 201,378.98
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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.