Finding the Fourth Proportional to 84,388.14, 126,534.24 and 34,409.70
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Solution
The fourth proportional to 84,388.14, 126,534.24 and 34,409.70 is: 51,594.99
Step by Step Solution
- Step 1: Write the proportion equation
84,388.14 : 126,534.24 = 34,409.70 : x - Step 2: Convert to fraction form
84,388.14/126,534.24 = 34,409.70/x - Step 3: Cross multiply
84,388.14x = 126,534.24 × 34,409.70 - Step 4: Simplify right side
84,388.14x = 4,354,005,238.13 - Step 5: Solve for x
x = 4,354,005,238.13/84,388.14 - Step 6: Final answer
x = 51,594.99
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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.