Finding the Fourth Proportional to 98,183.48, 135,469.68 and 57,894.08
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Solution
The fourth proportional to 98,183.48, 135,469.68 and 57,894.08 is: 79,879.96
Step by Step Solution
- Step 1: Write the proportion equation
98,183.48 : 135,469.68 = 57,894.08 : x - Step 2: Convert to fraction form
98,183.48/135,469.68 = 57,894.08/x - Step 3: Cross multiply
98,183.48x = 135,469.68 × 57,894.08 - Step 4: Simplify right side
98,183.48x = 7,842,892,491.49 - Step 5: Solve for x
x = 7,842,892,491.49/98,183.48 - Step 6: Final answer
x = 79,879.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.