Finding the Fourth Proportional to 134,421.75, 201,645.18 and 39,652.02
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Solution
The fourth proportional to 134,421.75, 201,645.18 and 39,652.02 is: 59,481.73
Step by Step Solution
- Step 1: Write the proportion equation
134,421.75 : 201,645.18 = 39,652.02 : x - Step 2: Convert to fraction form
134,421.75/201,645.18 = 39,652.02/x - Step 3: Cross multiply
134,421.75x = 201,645.18 × 39,652.02 - Step 4: Simplify right side
134,421.75x = 7,995,638,710.26 - Step 5: Solve for x
x = 7,995,638,710.26/134,421.75 - Step 6: Final answer
x = 59,481.73
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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.