Finding the Fourth Proportional to 201,859.84, 302,563.45 and 81,888.92
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Solution
The fourth proportional to 201,859.84, 302,563.45 and 81,888.92 is: 122,741.57
Step by Step Solution
- Step 1: Write the proportion equation
201,859.84 : 302,563.45 = 81,888.92 : x - Step 2: Convert to fraction form
201,859.84/302,563.45 = 81,888.92/x - Step 3: Cross multiply
201,859.84x = 302,563.45 × 81,888.92 - Step 4: Simplify right side
201,859.84x = 24,776,593,876.13 - Step 5: Solve for x
x = 24,776,593,876.13/201,859.84 - Step 6: Final answer
x = 122,741.57
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1.5x scale
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.