Finding the Fourth Proportional to 197,207.20, 295,810.80 and 97,415.20
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Solution
The fourth proportional to 197,207.20, 295,810.80 and 97,415.20 is: 146,122.80
Step by Step Solution
- Step 1: Write the proportion equation
197,207.20 : 295,810.80 = 97,415.20 : x - Step 2: Convert to fraction form
197,207.20/295,810.80 = 97,415.20/x - Step 3: Cross multiply
197,207.20x = 295,810.80 × 97,415.20 - Step 4: Simplify right side
197,207.20x = 28,816,468,244.16 - Step 5: Solve for x
x = 28,816,468,244.16/197,207.20 - Step 6: Final answer
x = 146,122.80
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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.