Finding the Fourth Proportional to 201,431.53, 301,875.09 and 76,704.49
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Solution
The fourth proportional to 201,431.53, 301,875.09 and 76,704.49 is: 114,953.08
Step by Step Solution
- Step 1: Write the proportion equation
201,431.53 : 301,875.09 = 76,704.49 : x - Step 2: Convert to fraction form
201,431.53/301,875.09 = 76,704.49/x - Step 3: Cross multiply
201,431.53x = 301,875.09 × 76,704.49 - Step 4: Simplify right side
201,431.53x = 23,155,174,822.15 - Step 5: Solve for x
x = 23,155,174,822.15/201,431.53 - Step 6: Final answer
x = 114,953.08
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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.