Finding the Fourth Proportional to 189,147.60, 283,717.80 and 48,903.12
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Solution
The fourth proportional to 189,147.60, 283,717.80 and 48,903.12 is: 73,353.75
Step by Step Solution
- Step 1: Write the proportion equation
189,147.60 : 283,717.80 = 48,903.12 : x - Step 2: Convert to fraction form
189,147.60/283,717.80 = 48,903.12/x - Step 3: Cross multiply
189,147.60x = 283,717.80 × 48,903.12 - Step 4: Simplify right side
189,147.60x = 13,874,685,619.54 - Step 5: Solve for x
x = 13,874,685,619.54/189,147.60 - Step 6: Final answer
x = 73,353.75
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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.