Finding the Fourth Proportional to 189,293.08, 283,939.74 and 106,245.40
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Solution
The fourth proportional to 189,293.08, 283,939.74 and 106,245.40 is: 159,368.17
Step by Step Solution
- Step 1: Write the proportion equation
189,293.08 : 283,939.74 = 106,245.40 : x - Step 2: Convert to fraction form
189,293.08/283,939.74 = 106,245.40/x - Step 3: Cross multiply
189,293.08x = 283,939.74 × 106,245.40 - Step 4: Simplify right side
189,293.08x = 30,167,291,252.20 - Step 5: Solve for x
x = 30,167,291,252.20/189,293.08 - Step 6: Final answer
x = 159,368.17
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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.