Finding the Fourth Proportional to 147,149.40, 220,551.30 and 68,096.64
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Solution
The fourth proportional to 147,149.40, 220,551.30 and 68,096.64 is: 102,064.99
Step by Step Solution
- Step 1: Write the proportion equation
147,149.40 : 220,551.30 = 68,096.64 : x - Step 2: Convert to fraction form
147,149.40/220,551.30 = 68,096.64/x - Step 3: Cross multiply
147,149.40x = 220,551.30 × 68,096.64 - Step 4: Simplify right side
147,149.40x = 15,018,802,477.63 - Step 5: Solve for x
x = 15,018,802,477.63/147,149.40 - Step 6: Final answer
x = 102,064.99
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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.