Finding the Fourth Proportional to 201,401.72, 302,135.22 and 66,425.48
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Solution
The fourth proportional to 201,401.72, 302,135.22 and 66,425.48 is: 99,648.99
Step by Step Solution
- Step 1: Write the proportion equation
201,401.72 : 302,135.22 = 66,425.48 : x - Step 2: Convert to fraction form
201,401.72/302,135.22 = 66,425.48/x - Step 3: Cross multiply
201,401.72x = 302,135.22 × 66,425.48 - Step 4: Simplify right side
201,401.72x = 20,069,477,013.41 - Step 5: Solve for x
x = 20,069,477,013.41/201,401.72 - Step 6: Final answer
x = 99,648.99
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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.