Finding the Fourth Proportional to 208,491.74, 312,735.08 and 50,720.36
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Solution
The fourth proportional to 208,491.74, 312,735.08 and 50,720.36 is: 76,079.92
Step by Step Solution
- Step 1: Write the proportion equation
208,491.74 : 312,735.08 = 50,720.36 : x - Step 2: Convert to fraction form
208,491.74/312,735.08 = 50,720.36/x - Step 3: Cross multiply
208,491.74x = 312,735.08 × 50,720.36 - Step 4: Simplify right side
208,491.74x = 15,862,035,842.23 - Step 5: Solve for x
x = 15,862,035,842.23/208,491.74 - Step 6: Final answer
x = 76,079.92
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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.