Finding the Fourth Proportional to 320,926.38, 481,394.97 and 121,341.30
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Solution
The fourth proportional to 320,926.38, 481,394.97 and 121,341.30 is: 182,013.99
Step by Step Solution
- Step 1: Write the proportion equation
320,926.38 : 481,394.97 = 121,341.30 : x - Step 2: Convert to fraction form
320,926.38/481,394.97 = 121,341.30/x - Step 3: Cross multiply
320,926.38x = 481,394.97 × 121,341.30 - Step 4: Simplify right side
320,926.38x = 58,413,091,473.26 - Step 5: Solve for x
x = 58,413,091,473.26/320,926.38 - Step 6: Final answer
x = 182,013.99
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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.