Finding the Fourth Proportional to 198,448.48, 297,713.67 and 65,336.68
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Solution
The fourth proportional to 198,448.48, 297,713.67 and 65,336.68 is: 98,018.50
Step by Step Solution
- Step 1: Write the proportion equation
198,448.48 : 297,713.67 = 65,336.68 : x - Step 2: Convert to fraction form
198,448.48/297,713.67 = 65,336.68/x - Step 3: Cross multiply
198,448.48x = 297,713.67 × 65,336.68 - Step 4: Simplify right side
198,448.48x = 19,451,622,788.42 - Step 5: Solve for x
x = 19,451,622,788.42/198,448.48 - Step 6: Final answer
x = 98,018.50
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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.