Finding the Fourth Proportional to 134,205.66, 201,308.49 and 131,253.21
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Solution
The fourth proportional to 134,205.66, 201,308.49 and 131,253.21 is: 196,879.82
Step by Step Solution
- Step 1: Write the proportion equation
134,205.66 : 201,308.49 = 131,253.21 : x - Step 2: Convert to fraction form
134,205.66/201,308.49 = 131,253.21/x - Step 3: Cross multiply
134,205.66x = 201,308.49 × 131,253.21 - Step 4: Simplify right side
134,205.66x = 26,422,385,512.75 - Step 5: Solve for x
x = 26,422,385,512.75/134,205.66 - Step 6: Final answer
x = 196,879.82
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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.