Finding the Fourth Proportional to 135,459.40, 203,198.84 and 46,711.63
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Solution
The fourth proportional to 135,459.40, 203,198.84 and 46,711.63 is: 70,070.80
Step by Step Solution
- Step 1: Write the proportion equation
135,459.40 : 203,198.84 = 46,711.63 : x - Step 2: Convert to fraction form
135,459.40/203,198.84 = 46,711.63/x - Step 3: Cross multiply
135,459.40x = 203,198.84 × 46,711.63 - Step 4: Simplify right side
135,459.40x = 9,491,748,014.52 - Step 5: Solve for x
x = 9,491,748,014.52/135,459.40 - Step 6: Final answer
x = 70,070.80
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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.