Finding the Fourth Proportional to 98,989.92, 148,469.10 and 28,852.84
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Solution
The fourth proportional to 98,989.92, 148,469.10 and 28,852.84 is: 43,274.66
Step by Step Solution
- Step 1: Write the proportion equation
98,989.92 : 148,469.10 = 28,852.84 : x - Step 2: Convert to fraction form
98,989.92/148,469.10 = 28,852.84/x - Step 3: Cross multiply
98,989.92x = 148,469.10 × 28,852.84 - Step 4: Simplify right side
98,989.92x = 4,283,755,187.24 - Step 5: Solve for x
x = 4,283,755,187.24/98,989.92 - Step 6: Final answer
x = 43,274.66
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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.