Finding the Fourth Proportional to 134,777.60, 201,745.70 and 99,278.94
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Solution
The fourth proportional to 134,777.60, 201,745.70 and 99,278.94 is: 148,608.52
Step by Step Solution
- Step 1: Write the proportion equation
134,777.60 : 201,745.70 = 99,278.94 : x - Step 2: Convert to fraction form
134,777.60/201,745.70 = 99,278.94/x - Step 3: Cross multiply
134,777.60x = 201,745.70 × 99,278.94 - Step 4: Simplify right side
134,777.60x = 20,029,099,245.56 - Step 5: Solve for x
x = 20,029,099,245.56/134,777.60 - Step 6: Final answer
x = 148,608.52
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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.