Finding the Fourth Proportional to 201,302.80, 277,859.68 and 129,682.56
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Solution
The fourth proportional to 201,302.80, 277,859.68 and 129,682.56 is: 179,001.76
Step by Step Solution
- Step 1: Write the proportion equation
201,302.80 : 277,859.68 = 129,682.56 : x - Step 2: Convert to fraction form
201,302.80/277,859.68 = 129,682.56/x - Step 3: Cross multiply
201,302.80x = 277,859.68 × 129,682.56 - Step 4: Simplify right side
201,302.80x = 36,033,554,623.18 - Step 5: Solve for x
x = 36,033,554,623.18/201,302.80 - Step 6: Final answer
x = 179,001.76
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1.5x scale
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.