Finding the Fourth Proportional to 326,558.10, 489,842.34 and 124,157.29
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Solution
The fourth proportional to 326,558.10, 489,842.34 and 124,157.29 is: 186,237.90
Step by Step Solution
- Step 1: Write the proportion equation
326,558.10 : 489,842.34 = 124,157.29 : x - Step 2: Convert to fraction form
326,558.10/489,842.34 = 124,157.29/x - Step 3: Cross multiply
326,558.10x = 489,842.34 × 124,157.29 - Step 4: Simplify right side
326,558.10x = 60,817,494,391.66 - Step 5: Solve for x
x = 60,817,494,391.66/326,558.10 - Step 6: Final answer
x = 186,237.90
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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.