Finding the Fourth Proportional to 156,982.36, 235,481.70 and 51,809.53
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Solution
The fourth proportional to 156,982.36, 235,481.70 and 51,809.53 is: 77,716.99
Step by Step Solution
- Step 1: Write the proportion equation
156,982.36 : 235,481.70 = 51,809.53 : x - Step 2: Convert to fraction form
156,982.36/235,481.70 = 51,809.53/x - Step 3: Cross multiply
156,982.36x = 235,481.70 × 51,809.53 - Step 4: Simplify right side
156,982.36x = 12,200,196,200.60 - Step 5: Solve for x
x = 12,200,196,200.60/156,982.36 - Step 6: Final answer
x = 77,716.99
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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.