Finding the Fourth Proportional to 664,039.62, 995,467.73 and 243,217.08
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Solution
The fourth proportional to 664,039.62, 995,467.73 and 243,217.08 is: 364,608.90
Step by Step Solution
- Step 1: Write the proportion equation
664,039.62 : 995,467.73 = 243,217.08 : x - Step 2: Convert to fraction form
664,039.62/995,467.73 = 243,217.08/x - Step 3: Cross multiply
664,039.62x = 995,467.73 × 243,217.08 - Step 4: Simplify right side
664,039.62x = 242,114,753,308.74 - Step 5: Solve for x
x = 242,114,753,308.74/664,039.62 - Step 6: Final answer
x = 364,608.90
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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.