Finding the Fourth Proportional to 415,139.00, 622,709.10 and 115,620.44
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Solution
The fourth proportional to 415,139.00, 622,709.10 and 115,620.44 is: 173,430.82
Step by Step Solution
- Step 1: Write the proportion equation
415,139.00 : 622,709.10 = 115,620.44 : x - Step 2: Convert to fraction form
415,139.00/622,709.10 = 115,620.44/x - Step 3: Cross multiply
415,139.00x = 622,709.10 × 115,620.44 - Step 4: Simplify right side
415,139.00x = 71,997,897,020.46 - Step 5: Solve for x
x = 71,997,897,020.46/415,139.00 - Step 6: Final answer
x = 173,430.82
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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.