Finding the Fourth Proportional to 197,201.80, 295,802.70 and 56,974.60
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Solution
The fourth proportional to 197,201.80, 295,802.70 and 56,974.60 is: 85,461.90
Step by Step Solution
- Step 1: Write the proportion equation
197,201.80 : 295,802.70 = 56,974.60 : x - Step 2: Convert to fraction form
197,201.80/295,802.70 = 56,974.60/x - Step 3: Cross multiply
197,201.80x = 295,802.70 × 56,974.60 - Step 4: Simplify right side
197,201.80x = 16,853,240,511.42 - Step 5: Solve for x
x = 16,853,240,511.42/197,201.80 - Step 6: Final answer
x = 85,461.90
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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.