Finding the Fourth Proportional to 319,066.45, 440,306.00 and 173,873.50
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Solution
The fourth proportional to 319,066.45, 440,306.00 and 173,873.50 is: 239,942.31
Step by Step Solution
- Step 1: Write the proportion equation
319,066.45 : 440,306.00 = 173,873.50 : x - Step 2: Convert to fraction form
319,066.45/440,306.00 = 173,873.50/x - Step 3: Cross multiply
319,066.45x = 440,306.00 × 173,873.50 - Step 4: Simplify right side
319,066.45x = 76,557,542,220.10 - Step 5: Solve for x
x = 76,557,542,220.10/319,066.45 - Step 6: Final answer
x = 239,942.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.