Finding the Fourth Proportional to 134,331.70, 201,205.95 and 111,003.70
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Solution
The fourth proportional to 134,331.70, 201,205.95 and 111,003.70 is: 166,264.59
Step by Step Solution
- Step 1: Write the proportion equation
134,331.70 : 201,205.95 = 111,003.70 : x - Step 2: Convert to fraction form
134,331.70/201,205.95 = 111,003.70/x - Step 3: Cross multiply
134,331.70x = 201,205.95 × 111,003.70 - Step 4: Simplify right side
134,331.70x = 22,334,604,912.02 - Step 5: Solve for x
x = 22,334,604,912.02/134,331.70 - Step 6: Final answer
x = 166,264.59
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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.