Finding the Fourth Proportional to 68,912.06, 103,346.21 and 22,154.00
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Solution
The fourth proportional to 68,912.06, 103,346.21 and 22,154.00 is: 33,223.96
Step by Step Solution
- Step 1: Write the proportion equation
68,912.06 : 103,346.21 = 22,154.00 : x - Step 2: Convert to fraction form
68,912.06/103,346.21 = 22,154.00/x - Step 3: Cross multiply
68,912.06x = 103,346.21 × 22,154.00 - Step 4: Simplify right side
68,912.06x = 2,289,531,474.99 - Step 5: Solve for x
x = 2,289,531,474.99/68,912.06 - Step 6: Final answer
x = 33,223.96
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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.