Finding the Fourth Proportional to 193,005.20, 289,378.20 and 103,062.80
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Solution
The fourth proportional to 193,005.20, 289,378.20 and 103,062.80 is: 154,524.99
Step by Step Solution
- Step 1: Write the proportion equation
193,005.20 : 289,378.20 = 103,062.80 : x - Step 2: Convert to fraction form
193,005.20/289,378.20 = 103,062.80/x - Step 3: Cross multiply
193,005.20x = 289,378.20 × 103,062.80 - Step 4: Simplify right side
193,005.20x = 29,824,127,550.96 - Step 5: Solve for x
x = 29,824,127,550.96/193,005.20 - Step 6: Final answer
x = 154,524.99
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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.