Finding the Fourth Proportional to 135,197.12, 202,800.39 and 46,449.98
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Solution
The fourth proportional to 135,197.12, 202,800.39 and 46,449.98 is: 69,676.59
Step by Step Solution
- Step 1: Write the proportion equation
135,197.12 : 202,800.39 = 46,449.98 : x - Step 2: Convert to fraction form
135,197.12/202,800.39 = 46,449.98/x - Step 3: Cross multiply
135,197.12x = 202,800.39 × 46,449.98 - Step 4: Simplify right side
135,197.12x = 9,420,074,059.49 - Step 5: Solve for x
x = 9,420,074,059.49/135,197.12 - Step 6: Final answer
x = 69,676.59
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1.5x scale
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.