Finding the Fourth Proportional to 348,735.99, 481,131.76 and 227,946.90
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Solution
The fourth proportional to 348,735.99, 481,131.76 and 227,946.90 is: 314,485.73
Step by Step Solution
- Step 1: Write the proportion equation
348,735.99 : 481,131.76 = 227,946.90 : x - Step 2: Convert to fraction form
348,735.99/481,131.76 = 227,946.90/x - Step 3: Cross multiply
348,735.99x = 481,131.76 × 227,946.90 - Step 4: Simplify right side
348,735.99x = 109,672,493,183.54 - Step 5: Solve for x
x = 109,672,493,183.54/348,735.99 - Step 6: Final answer
x = 314,485.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.