Finding the Fourth Proportional to 348,851.54, 481,277.74 and 201,579.09
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Solution
The fourth proportional to 348,851.54, 481,277.74 and 201,579.09 is: 278,099.76
Step by Step Solution
- Step 1: Write the proportion equation
348,851.54 : 481,277.74 = 201,579.09 : x - Step 2: Convert to fraction form
348,851.54/481,277.74 = 201,579.09/x - Step 3: Cross multiply
348,851.54x = 481,277.74 × 201,579.09 - Step 4: Simplify right side
348,851.54x = 97,015,527,858.56 - Step 5: Solve for x
x = 97,015,527,858.56/348,851.54 - Step 6: Final answer
x = 278,099.76
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1.5x scale
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.