Finding the Fourth Proportional to 134,612.21, 201,879.43 and 45,863.75
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Solution
The fourth proportional to 134,612.21, 201,879.43 and 45,863.75 is: 68,782.38
Step by Step Solution
- Step 1: Write the proportion equation
134,612.21 : 201,879.43 = 45,863.75 : x - Step 2: Convert to fraction form
134,612.21/201,879.43 = 45,863.75/x - Step 3: Cross multiply
134,612.21x = 201,879.43 × 45,863.75 - Step 4: Simplify right side
134,612.21x = 9,258,948,097.70 - Step 5: Solve for x
x = 9,258,948,097.70/134,612.21 - Step 6: Final answer
x = 68,782.38
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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.