Finding the Fourth Proportional to 201,692.70, 301,882.95 and 157,077.90
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Solution
The fourth proportional to 201,692.70, 301,882.95 and 157,077.90 is: 235,105.88
Step by Step Solution
- Step 1: Write the proportion equation
201,692.70 : 301,882.95 = 157,077.90 : x - Step 2: Convert to fraction form
201,692.70/301,882.95 = 157,077.90/x - Step 3: Cross multiply
201,692.70x = 301,882.95 × 157,077.90 - Step 4: Simplify right side
201,692.70x = 47,419,139,831.81 - Step 5: Solve for x
x = 47,419,139,831.81/201,692.70 - Step 6: Final answer
x = 235,105.88
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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.