Finding the Fourth Proportional to 326,860.41, 489,235.98 and 168,871.53
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Solution
The fourth proportional to 326,860.41, 489,235.98 and 168,871.53 is: 252,762.42
Step by Step Solution
- Step 1: Write the proportion equation
326,860.41 : 489,235.98 = 168,871.53 : x - Step 2: Convert to fraction form
326,860.41/489,235.98 = 168,871.53/x - Step 3: Cross multiply
326,860.41x = 489,235.98 × 168,871.53 - Step 4: Simplify right side
326,860.41x = 82,618,028,473.65 - Step 5: Solve for x
x = 82,618,028,473.65/326,860.41 - Step 6: Final answer
x = 252,762.42
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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.