Finding the Fourth Proportional to 135,850.08, 203,709.57 and 56,943.12
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Solution
The fourth proportional to 135,850.08, 203,709.57 and 56,943.12 is: 85,387.20
Step by Step Solution
- Step 1: Write the proportion equation
135,850.08 : 203,709.57 = 56,943.12 : x - Step 2: Convert to fraction form
135,850.08/203,709.57 = 56,943.12/x - Step 3: Cross multiply
135,850.08x = 203,709.57 × 56,943.12 - Step 4: Simplify right side
135,850.08x = 11,599,858,122.74 - Step 5: Solve for x
x = 11,599,858,122.74/135,850.08 - Step 6: Final answer
x = 85,387.20
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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.