Finding the Fourth Proportional to 135,205.80, 202,808.70 and 132,901.80
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Solution
The fourth proportional to 135,205.80, 202,808.70 and 132,901.80 is: 199,352.70
Step by Step Solution
- Step 1: Write the proportion equation
135,205.80 : 202,808.70 = 132,901.80 : x - Step 2: Convert to fraction form
135,205.80/202,808.70 = 132,901.80/x - Step 3: Cross multiply
135,205.80x = 202,808.70 × 132,901.80 - Step 4: Simplify right side
135,205.80x = 26,953,641,285.66 - Step 5: Solve for x
x = 26,953,641,285.66/135,205.80 - Step 6: Final answer
x = 199,352.70
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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.