Finding the Fourth Proportional to 134,542.11, 201,813.21 and 117,221.07
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Solution
The fourth proportional to 134,542.11, 201,813.21 and 117,221.07 is: 175,831.64
Step by Step Solution
- Step 1: Write the proportion equation
134,542.11 : 201,813.21 = 117,221.07 : x - Step 2: Convert to fraction form
134,542.11/201,813.21 = 117,221.07/x - Step 3: Cross multiply
134,542.11x = 201,813.21 × 117,221.07 - Step 4: Simplify right side
134,542.11x = 23,656,760,416.33 - Step 5: Solve for x
x = 23,656,760,416.33/134,542.11 - Step 6: Final answer
x = 175,831.64
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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.