Finding the Fourth Proportional to 198,124.80, 297,316.80 and 113,884.80
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Solution
The fourth proportional to 198,124.80, 297,316.80 and 113,884.80 is: 170,901.70
Step by Step Solution
- Step 1: Write the proportion equation
198,124.80 : 297,316.80 = 113,884.80 : x - Step 2: Convert to fraction form
198,124.80/297,316.80 = 113,884.80/x - Step 3: Cross multiply
198,124.80x = 297,316.80 × 113,884.80 - Step 4: Simplify right side
198,124.80x = 33,859,864,304.64 - Step 5: Solve for x
x = 33,859,864,304.64/198,124.80 - Step 6: Final answer
x = 170,901.70
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1.5x scale
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.