Finding the Fourth Proportional to 134,992.21, 202,480.11 and 56,107.12
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Solution
The fourth proportional to 134,992.21, 202,480.11 and 56,107.12 is: 84,157.27
Step by Step Solution
- Step 1: Write the proportion equation
134,992.21 : 202,480.11 = 56,107.12 : x - Step 2: Convert to fraction form
134,992.21/202,480.11 = 56,107.12/x - Step 3: Cross multiply
134,992.21x = 202,480.11 × 56,107.12 - Step 4: Simplify right side
134,992.21x = 11,360,575,829.38 - Step 5: Solve for x
x = 11,360,575,829.38/134,992.21 - Step 6: Final answer
x = 84,157.27
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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.