Finding the Fourth Proportional to 358,350.39, 494,412.20 and 203,276.12
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Solution
The fourth proportional to 358,350.39, 494,412.20 and 203,276.12 is: 280,457.90
Step by Step Solution
- Step 1: Write the proportion equation
358,350.39 : 494,412.20 = 203,276.12 : x - Step 2: Convert to fraction form
358,350.39/494,412.20 = 203,276.12/x - Step 3: Cross multiply
358,350.39x = 494,412.20 × 203,276.12 - Step 4: Simplify right side
358,350.39x = 100,502,196,749.05 - Step 5: Solve for x
x = 100,502,196,749.05/358,350.39 - Step 6: Final answer
x = 280,457.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.