Finding the Fourth Proportional to 348,915.36, 481,528.08 and 198,022.08
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Solution
The fourth proportional to 348,915.36, 481,528.08 and 198,022.08 is: 273,284.59
Step by Step Solution
- Step 1: Write the proportion equation
348,915.36 : 481,528.08 = 198,022.08 : x - Step 2: Convert to fraction form
348,915.36/481,528.08 = 198,022.08/x - Step 3: Cross multiply
348,915.36x = 481,528.08 × 198,022.08 - Step 4: Simplify right side
348,915.36x = 95,353,191,980.01 - Step 5: Solve for x
x = 95,353,191,980.01/348,915.36 - Step 6: Final answer
x = 273,284.59
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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.