Finding the Fourth Proportional to 134,815.21, 202,195.65 and 49,396.97
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Solution
The fourth proportional to 134,815.21, 202,195.65 and 49,396.97 is: 74,085.50
Step by Step Solution
- Step 1: Write the proportion equation
134,815.21 : 202,195.65 = 49,396.97 : x - Step 2: Convert to fraction form
134,815.21/202,195.65 = 49,396.97/x - Step 3: Cross multiply
134,815.21x = 202,195.65 × 49,396.97 - Step 4: Simplify right side
134,815.21x = 9,987,852,457.18 - Step 5: Solve for x
x = 9,987,852,457.18/134,815.21 - Step 6: Final answer
x = 74,085.50
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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.