Finding the Fourth Proportional to 134,247.51, 201,245.51 and 45,438.84
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Solution
The fourth proportional to 134,247.51, 201,245.51 and 45,438.84 is: 68,115.69
Step by Step Solution
- Step 1: Write the proportion equation
134,247.51 : 201,245.51 = 45,438.84 : x - Step 2: Convert to fraction form
134,247.51/201,245.51 = 45,438.84/x - Step 3: Cross multiply
134,247.51x = 201,245.51 × 45,438.84 - Step 4: Simplify right side
134,247.51x = 9,144,362,302.41 - Step 5: Solve for x
x = 9,144,362,302.41/134,247.51 - Step 6: Final answer
x = 68,115.69
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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.