Finding the Fourth Proportional to 84,863.32, 127,288.50 and 28,708.12
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Solution
The fourth proportional to 84,863.32, 127,288.50 and 28,708.12 is: 43,059.99
Step by Step Solution
- Step 1: Write the proportion equation
84,863.32 : 127,288.50 = 28,708.12 : x - Step 2: Convert to fraction form
84,863.32/127,288.50 = 28,708.12/x - Step 3: Cross multiply
84,863.32x = 127,288.50 × 28,708.12 - Step 4: Simplify right side
84,863.32x = 3,654,213,532.62 - Step 5: Solve for x
x = 3,654,213,532.62/84,863.32 - Step 6: Final answer
x = 43,059.99
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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.