Finding the Fourth Proportional to 198,708.48, 298,110.08 and 58,471.68
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Solution
The fourth proportional to 198,708.48, 298,110.08 and 58,471.68 is: 87,721.46
Step by Step Solution
- Step 1: Write the proportion equation
198,708.48 : 298,110.08 = 58,471.68 : x - Step 2: Convert to fraction form
198,708.48/298,110.08 = 58,471.68/x - Step 3: Cross multiply
198,708.48x = 298,110.08 × 58,471.68 - Step 4: Simplify right side
198,708.48x = 17,430,997,202.53 - Step 5: Solve for x
x = 17,430,997,202.53/198,708.48 - Step 6: Final answer
x = 87,721.46
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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.