Finding the Fourth Proportional to 186,902.48, 280,245.99 and 127,809.74
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Solution
The fourth proportional to 186,902.48, 280,245.99 and 127,809.74 is: 191,640.94
Step by Step Solution
- Step 1: Write the proportion equation
186,902.48 : 280,245.99 = 127,809.74 : x - Step 2: Convert to fraction form
186,902.48/280,245.99 = 127,809.74/x - Step 3: Cross multiply
186,902.48x = 280,245.99 × 127,809.74 - Step 4: Simplify right side
186,902.48x = 35,818,167,117.94 - Step 5: Solve for x
x = 35,818,167,117.94/186,902.48 - Step 6: Final answer
x = 191,640.94
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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.