Finding the Fourth Proportional to 316,198.92, 474,299.18 and 129,210.44
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Solution
The fourth proportional to 316,198.92, 474,299.18 and 129,210.44 is: 193,815.99
Step by Step Solution
- Step 1: Write the proportion equation
316,198.92 : 474,299.18 = 129,210.44 : x - Step 2: Convert to fraction form
316,198.92/474,299.18 = 129,210.44/x - Step 3: Cross multiply
316,198.92x = 474,299.18 × 129,210.44 - Step 4: Simplify right side
316,198.92x = 61,284,405,739.44 - Step 5: Solve for x
x = 61,284,405,739.44/316,198.92 - Step 6: Final answer
x = 193,815.99
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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.