Finding the Fourth Proportional to 134,403.21, 201,546.36 and 50,130.81
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Solution
The fourth proportional to 134,403.21, 201,546.36 and 50,130.81 is: 75,174.41
Step by Step Solution
- Step 1: Write the proportion equation
134,403.21 : 201,546.36 = 50,130.81 : x - Step 2: Convert to fraction form
134,403.21/201,546.36 = 50,130.81/x - Step 3: Cross multiply
134,403.21x = 201,546.36 × 50,130.81 - Step 4: Simplify right side
134,403.21x = 10,103,682,279.35 - Step 5: Solve for x
x = 10,103,682,279.35/134,403.21 - Step 6: Final answer
x = 75,174.41
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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.