Finding the Fourth Proportional to 284,893.04, 427,214.86 and 135,176.08
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Solution
The fourth proportional to 284,893.04, 427,214.86 and 135,176.08 is: 202,704.95
Step by Step Solution
- Step 1: Write the proportion equation
284,893.04 : 427,214.86 = 135,176.08 : x - Step 2: Convert to fraction form
284,893.04/427,214.86 = 135,176.08/x - Step 3: Cross multiply
284,893.04x = 427,214.86 × 135,176.08 - Step 4: Simplify right side
284,893.04x = 57,749,230,092.55 - Step 5: Solve for x
x = 57,749,230,092.55/284,893.04 - Step 6: Final answer
x = 202,704.95
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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.