Finding the Fourth Proportional to 306,059.20, 459,088.80 and 106,313.20
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Solution
The fourth proportional to 306,059.20, 459,088.80 and 106,313.20 is: 159,469.80
Step by Step Solution
- Step 1: Write the proportion equation
306,059.20 : 459,088.80 = 106,313.20 : x - Step 2: Convert to fraction form
306,059.20/459,088.80 = 106,313.20/x - Step 3: Cross multiply
306,059.20x = 459,088.80 × 106,313.20 - Step 4: Simplify right side
306,059.20x = 48,807,199,412.16 - Step 5: Solve for x
x = 48,807,199,412.16/306,059.20 - Step 6: Final answer
x = 159,469.80
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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.