Finding the Fourth Proportional to 298,269.44, 447,474.21 and 98,589.82
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Solution
The fourth proportional to 298,269.44, 447,474.21 and 98,589.82 is: 147,907.88
Step by Step Solution
- Step 1: Write the proportion equation
298,269.44 : 447,474.21 = 98,589.82 : x - Step 2: Convert to fraction form
298,269.44/447,474.21 = 98,589.82/x - Step 3: Cross multiply
298,269.44x = 447,474.21 × 98,589.82 - Step 4: Simplify right side
298,269.44x = 44,116,401,169.16 - Step 5: Solve for x
x = 44,116,401,169.16/298,269.44 - Step 6: Final answer
x = 147,907.88
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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.