Finding the Fourth Proportional to 193,125.20, 289,342.20 and 163,403.60
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Solution
The fourth proportional to 193,125.20, 289,342.20 and 163,403.60 is: 244,812.99
Step by Step Solution
- Step 1: Write the proportion equation
193,125.20 : 289,342.20 = 163,403.60 : x - Step 2: Convert to fraction form
193,125.20/289,342.20 = 163,403.60/x - Step 3: Cross multiply
193,125.20x = 289,342.20 × 163,403.60 - Step 4: Simplify right side
193,125.20x = 47,279,557,111.92 - Step 5: Solve for x
x = 47,279,557,111.92/193,125.20 - Step 6: Final answer
x = 244,812.99
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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.