Finding the Fourth Proportional to 298,337.36, 447,399.48 and 98,620.88
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Solution
The fourth proportional to 298,337.36, 447,399.48 and 98,620.88 is: 147,896.09
Step by Step Solution
- Step 1: Write the proportion equation
298,337.36 : 447,399.48 = 98,620.88 : x - Step 2: Convert to fraction form
298,337.36/447,399.48 = 98,620.88/x - Step 3: Cross multiply
298,337.36x = 447,399.48 × 98,620.88 - Step 4: Simplify right side
298,337.36x = 44,122,930,429.14 - Step 5: Solve for x
x = 44,122,930,429.14/298,337.36 - Step 6: Final answer
x = 147,896.09
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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.