Finding the Fourth Proportional to 134,418.96, 201,628.91 and 39,650.31
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Solution
The fourth proportional to 134,418.96, 201,628.91 and 39,650.31 is: 59,475.60
Step by Step Solution
- Step 1: Write the proportion equation
134,418.96 : 201,628.91 = 39,650.31 : x - Step 2: Convert to fraction form
134,418.96/201,628.91 = 39,650.31/x - Step 3: Cross multiply
134,418.96x = 201,628.91 × 39,650.31 - Step 4: Simplify right side
134,418.96x = 7,994,648,786.46 - Step 5: Solve for x
x = 7,994,648,786.46/134,418.96 - Step 6: Final answer
x = 59,475.60
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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.