Finding the Fourth Proportional to 284,325.72, 392,433.84 and 203,844.12
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Solution
The fourth proportional to 284,325.72, 392,433.84 and 203,844.12 is: 281,351.02
Step by Step Solution
- Step 1: Write the proportion equation
284,325.72 : 392,433.84 = 203,844.12 : x - Step 2: Convert to fraction form
284,325.72/392,433.84 = 203,844.12/x - Step 3: Cross multiply
284,325.72x = 392,433.84 × 203,844.12 - Step 4: Simplify right side
284,325.72x = 79,995,330,773.02 - Step 5: Solve for x
x = 79,995,330,773.02/284,325.72 - Step 6: Final answer
x = 281,351.02
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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.