Finding the Fourth Proportional to 83,474.36, 125,223.24 and 27,318.90
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Solution
The fourth proportional to 83,474.36, 125,223.24 and 27,318.90 is: 40,982.18
Step by Step Solution
- Step 1: Write the proportion equation
83,474.36 : 125,223.24 = 27,318.90 : x - Step 2: Convert to fraction form
83,474.36/125,223.24 = 27,318.90/x - Step 3: Cross multiply
83,474.36x = 125,223.24 × 27,318.90 - Step 4: Simplify right side
83,474.36x = 3,420,961,171.24 - Step 5: Solve for x
x = 3,420,961,171.24/83,474.36 - Step 6: Final answer
x = 40,982.18
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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.