Finding the Fourth Proportional to 134,491.12, 201,769.08 and 40,991.12
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Solution
The fourth proportional to 134,491.12, 201,769.08 and 40,991.12 is: 61,496.56
Step by Step Solution
- Step 1: Write the proportion equation
134,491.12 : 201,769.08 = 40,991.12 : x - Step 2: Convert to fraction form
134,491.12/201,769.08 = 40,991.12/x - Step 3: Cross multiply
134,491.12x = 201,769.08 × 40,991.12 - Step 4: Simplify right side
134,491.12x = 8,270,740,570.57 - Step 5: Solve for x
x = 8,270,740,570.57/134,491.12 - Step 6: Final answer
x = 61,496.56
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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.