Finding the Fourth Proportional to 284,021.28, 425,973.60 and 134,197.92
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Solution
The fourth proportional to 284,021.28, 425,973.60 and 134,197.92 is: 201,269.32
Step by Step Solution
- Step 1: Write the proportion equation
284,021.28 : 425,973.60 = 134,197.92 : x - Step 2: Convert to fraction form
284,021.28/425,973.60 = 134,197.92/x - Step 3: Cross multiply
284,021.28x = 425,973.60 × 134,197.92 - Step 4: Simplify right side
284,021.28x = 57,164,771,094.91 - Step 5: Solve for x
x = 57,164,771,094.91/284,021.28 - Step 6: Final answer
x = 201,269.32
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1.5x scale
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.