Finding the Fourth Proportional to 186,918.48, 280,269.99 and 127,825.74
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Solution
The fourth proportional to 186,918.48, 280,269.99 and 127,825.74 is: 191,664.94
Step by Step Solution
- Step 1: Write the proportion equation
186,918.48 : 280,269.99 = 127,825.74 : x - Step 2: Convert to fraction form
186,918.48/280,269.99 = 127,825.74/x - Step 3: Cross multiply
186,918.48x = 280,269.99 × 127,825.74 - Step 4: Simplify right side
186,918.48x = 35,825,718,871.54 - Step 5: Solve for x
x = 35,825,718,871.54/186,918.48 - Step 6: Final answer
x = 191,664.94
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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.