Finding the Fourth Proportional to 387,248.28, 581,099.97 and 162,591.44
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Solution
The fourth proportional to 387,248.28, 581,099.97 and 162,591.44 is: 243,982.70
Step by Step Solution
- Step 1: Write the proportion equation
387,248.28 : 581,099.97 = 162,591.44 : x - Step 2: Convert to fraction form
387,248.28/581,099.97 = 162,591.44/x - Step 3: Cross multiply
387,248.28x = 581,099.97 × 162,591.44 - Step 4: Simplify right side
387,248.28x = 94,481,880,906.26 - Step 5: Solve for x
x = 94,481,880,906.26/387,248.28 - Step 6: Final answer
x = 243,982.70
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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.