Finding the Fourth Proportional to 134,645.12, 201,997.29 and 39,882.71
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Solution
The fourth proportional to 134,645.12, 201,997.29 and 39,882.71 is: 59,832.84
Step by Step Solution
- Step 1: Write the proportion equation
134,645.12 : 201,997.29 = 39,882.71 : x - Step 2: Convert to fraction form
134,645.12/201,997.29 = 39,882.71/x - Step 3: Cross multiply
134,645.12x = 201,997.29 × 39,882.71 - Step 4: Simplify right side
134,645.12x = 8,056,199,992.41 - Step 5: Solve for x
x = 8,056,199,992.41/134,645.12 - Step 6: Final answer
x = 59,832.84
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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.