Finding the Fourth Proportional to 438,354.05, 657,537.56 and 122,791.01
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Solution
The fourth proportional to 438,354.05, 657,537.56 and 122,791.01 is: 184,188.33
Step by Step Solution
- Step 1: Write the proportion equation
438,354.05 : 657,537.56 = 122,791.01 : x - Step 2: Convert to fraction form
438,354.05/657,537.56 = 122,791.01/x - Step 3: Cross multiply
438,354.05x = 657,537.56 × 122,791.01 - Step 4: Simplify right side
438,354.05x = 80,739,700,491.38 - Step 5: Solve for x
x = 80,739,700,491.38/438,354.05 - Step 6: Final answer
x = 184,188.33
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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.