Finding the Fourth Proportional to 306,035.70, 459,053.55 and 193,842.60
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Solution
The fourth proportional to 306,035.70, 459,053.55 and 193,842.60 is: 290,763.90
Step by Step Solution
- Step 1: Write the proportion equation
306,035.70 : 459,053.55 = 193,842.60 : x - Step 2: Convert to fraction form
306,035.70/459,053.55 = 193,842.60/x - Step 3: Cross multiply
306,035.70x = 459,053.55 × 193,842.60 - Step 4: Simplify right side
306,035.70x = 88,984,133,671.23 - Step 5: Solve for x
x = 88,984,133,671.23/306,035.70 - Step 6: Final answer
x = 290,763.90
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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.