Finding the Fourth Proportional to 201,661.80, 302,492.70 and 135,133.80
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Solution
The fourth proportional to 201,661.80, 302,492.70 and 135,133.80 is: 202,700.70
Step by Step Solution
- Step 1: Write the proportion equation
201,661.80 : 302,492.70 = 135,133.80 : x - Step 2: Convert to fraction form
201,661.80/302,492.70 = 135,133.80/x - Step 3: Cross multiply
201,661.80x = 302,492.70 × 135,133.80 - Step 4: Simplify right side
201,661.80x = 40,876,988,023.26 - Step 5: Solve for x
x = 40,876,988,023.26/201,661.80 - Step 6: Final answer
x = 202,700.70
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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.