Finding the Fourth Proportional to 284,847.36, 427,295.52 and 74,484.96
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Solution
The fourth proportional to 284,847.36, 427,295.52 and 74,484.96 is: 111,733.84
Step by Step Solution
- Step 1: Write the proportion equation
284,847.36 : 427,295.52 = 74,484.96 : x - Step 2: Convert to fraction form
284,847.36/427,295.52 = 74,484.96/x - Step 3: Cross multiply
284,847.36x = 427,295.52 × 74,484.96 - Step 4: Simplify right side
284,847.36x = 31,827,089,715.38 - Step 5: Solve for x
x = 31,827,089,715.38/284,847.36 - Step 6: Final answer
x = 111,733.84
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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.