Finding the Fourth Proportional to 268,976.75, 402,341.45 and 189,009.09
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Solution
The fourth proportional to 268,976.75, 402,341.45 and 189,009.09 is: 282,724.03
Step by Step Solution
- Step 1: Write the proportion equation
268,976.75 : 402,341.45 = 189,009.09 : x - Step 2: Convert to fraction form
268,976.75/402,341.45 = 189,009.09/x - Step 3: Cross multiply
268,976.75x = 402,341.45 × 189,009.09 - Step 4: Simplify right side
268,976.75x = 76,046,190,388.74 - Step 5: Solve for x
x = 76,046,190,388.74/268,976.75 - Step 6: Final answer
x = 282,724.03
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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.