Finding the Fourth Proportional to 223,486.99, 335,124.95 and 81,232.18
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Solution
The fourth proportional to 223,486.99, 335,124.95 and 81,232.18 is: 121,809.91
Step by Step Solution
- Step 1: Write the proportion equation
223,486.99 : 335,124.95 = 81,232.18 : x - Step 2: Convert to fraction form
223,486.99/335,124.95 = 81,232.18/x - Step 3: Cross multiply
223,486.99x = 335,124.95 × 81,232.18 - Step 4: Simplify right side
223,486.99x = 27,222,929,016.92 - Step 5: Solve for x
x = 27,222,929,016.92/223,486.99 - Step 6: Final answer
x = 121,809.91
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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.