Finding the Fourth Proportional to 197,135.40, 295,703.10 and 54,980.40
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Solution
The fourth proportional to 197,135.40, 295,703.10 and 54,980.40 is: 82,470.60
Step by Step Solution
- Step 1: Write the proportion equation
197,135.40 : 295,703.10 = 54,980.40 : x - Step 2: Convert to fraction form
197,135.40/295,703.10 = 54,980.40/x - Step 3: Cross multiply
197,135.40x = 295,703.10 × 54,980.40 - Step 4: Simplify right side
197,135.40x = 16,257,874,719.24 - Step 5: Solve for x
x = 16,257,874,719.24/197,135.40 - Step 6: Final answer
x = 82,470.60
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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.