Finding the Fourth Proportional to 247,293.20, 370,939.80 and 163,093.70
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Solution
The fourth proportional to 247,293.20, 370,939.80 and 163,093.70 is: 244,640.55
Step by Step Solution
- Step 1: Write the proportion equation
247,293.20 : 370,939.80 = 163,093.70 : x - Step 2: Convert to fraction form
247,293.20/370,939.80 = 163,093.70/x - Step 3: Cross multiply
247,293.20x = 370,939.80 × 163,093.70 - Step 4: Simplify right side
247,293.20x = 60,497,944,459.26 - Step 5: Solve for x
x = 60,497,944,459.26/247,293.20 - Step 6: Final answer
x = 244,640.55
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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.