Finding the Fourth Proportional to 197,362.80, 296,043.84 and 57,121.20
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Solution
The fourth proportional to 197,362.80, 296,043.84 and 57,121.20 is: 85,681.70
Step by Step Solution
- Step 1: Write the proportion equation
197,362.80 : 296,043.84 = 57,121.20 : x - Step 2: Convert to fraction form
197,362.80/296,043.84 = 57,121.20/x - Step 3: Cross multiply
197,362.80x = 296,043.84 × 57,121.20 - Step 4: Simplify right side
197,362.80x = 16,910,379,393.41 - Step 5: Solve for x
x = 16,910,379,393.41/197,362.80 - Step 6: Final answer
x = 85,681.70
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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.