Finding the Fourth Proportional to 135,851.08, 203,711.07 and 56,944.12
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Solution
The fourth proportional to 135,851.08, 203,711.07 and 56,944.12 is: 85,388.70
Step by Step Solution
- Step 1: Write the proportion equation
135,851.08 : 203,711.07 = 56,944.12 : x - Step 2: Convert to fraction form
135,851.08/203,711.07 = 56,944.12/x - Step 3: Cross multiply
135,851.08x = 203,711.07 × 56,944.12 - Step 4: Simplify right side
135,851.08x = 11,600,147,615.41 - Step 5: Solve for x
x = 11,600,147,615.41/135,851.08 - Step 6: Final answer
x = 85,388.70
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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.