Finding the Fourth Proportional to 201,344.60, 301,829.07 and 68,132.20
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Solution
The fourth proportional to 201,344.60, 301,829.07 and 68,132.20 is: 102,134.74
Step by Step Solution
- Step 1: Write the proportion equation
201,344.60 : 301,829.07 = 68,132.20 : x - Step 2: Convert to fraction form
201,344.60/301,829.07 = 68,132.20/x - Step 3: Cross multiply
201,344.60x = 301,829.07 × 68,132.20 - Step 4: Simplify right side
201,344.60x = 20,564,278,563.05 - Step 5: Solve for x
x = 20,564,278,563.05/201,344.60 - Step 6: Final answer
x = 102,134.74
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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.