Finding the Fourth Proportional to 203,823.48, 305,405.18 and 124,697.88
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Solution
The fourth proportional to 203,823.48, 305,405.18 and 124,697.88 is: 186,844.90
Step by Step Solution
- Step 1: Write the proportion equation
203,823.48 : 305,405.18 = 124,697.88 : x - Step 2: Convert to fraction form
203,823.48/305,405.18 = 124,697.88/x - Step 3: Cross multiply
203,823.48x = 305,405.18 × 124,697.88 - Step 4: Simplify right side
203,823.48x = 38,083,378,487.02 - Step 5: Solve for x
x = 38,083,378,487.02/203,823.48 - Step 6: Final answer
x = 186,844.90
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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.