Finding the Fourth Proportional to 298,738.41, 447,888.92 and 140,880.75
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Solution
The fourth proportional to 298,738.41, 447,888.92 and 140,880.75 is: 211,217.99
Step by Step Solution
- Step 1: Write the proportion equation
298,738.41 : 447,888.92 = 140,880.75 : x - Step 2: Convert to fraction form
298,738.41/447,888.92 = 140,880.75/x - Step 3: Cross multiply
298,738.41x = 447,888.92 × 140,880.75 - Step 4: Simplify right side
298,738.41x = 63,098,926,261.89 - Step 5: Solve for x
x = 63,098,926,261.89/298,738.41 - Step 6: Final answer
x = 211,217.99
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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.