Finding the Fourth Proportional to 134,732.80, 202,265.60 and 84,812.80
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Solution
The fourth proportional to 134,732.80, 202,265.60 and 84,812.80 is: 127,323.95
Step by Step Solution
- Step 1: Write the proportion equation
134,732.80 : 202,265.60 = 84,812.80 : x - Step 2: Convert to fraction form
134,732.80/202,265.60 = 84,812.80/x - Step 3: Cross multiply
134,732.80x = 202,265.60 × 84,812.80 - Step 4: Simplify right side
134,732.80x = 17,154,711,879.68 - Step 5: Solve for x
x = 17,154,711,879.68/134,732.80 - Step 6: Final answer
x = 127,323.95
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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.