Finding the Fourth Proportional to 284,750.81, 427,150.82 and 74,388.75
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Solution
The fourth proportional to 284,750.81, 427,150.82 and 74,388.75 is: 111,589.55
Step by Step Solution
- Step 1: Write the proportion equation
284,750.81 : 427,150.82 = 74,388.75 : x - Step 2: Convert to fraction form
284,750.81/427,150.82 = 74,388.75/x - Step 3: Cross multiply
284,750.81x = 427,150.82 × 74,388.75 - Step 4: Simplify right side
284,750.81x = 31,775,215,747.25 - Step 5: Solve for x
x = 31,775,215,747.25/284,750.81 - Step 6: Final answer
x = 111,589.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.