Finding the Fourth Proportional to 201,363.99, 277,859.30 and 161,063.07
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Solution
The fourth proportional to 201,363.99, 277,859.30 and 161,063.07 is: 222,248.63
Step by Step Solution
- Step 1: Write the proportion equation
201,363.99 : 277,859.30 = 161,063.07 : x - Step 2: Convert to fraction form
201,363.99/277,859.30 = 161,063.07/x - Step 3: Cross multiply
201,363.99x = 277,859.30 × 161,063.07 - Step 4: Simplify right side
201,363.99x = 44,752,871,080.74 - Step 5: Solve for x
x = 44,752,871,080.74/201,363.99 - Step 6: Final answer
x = 222,248.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.