Finding the Fourth Proportional to 664,067.62, 995,509.68 and 243,245.08
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Solution
The fourth proportional to 664,067.62, 995,509.68 and 243,245.08 is: 364,650.86
Step by Step Solution
- Step 1: Write the proportion equation
664,067.62 : 995,509.68 = 243,245.08 : x - Step 2: Convert to fraction form
664,067.62/995,509.68 = 243,245.08/x - Step 3: Cross multiply
664,067.62x = 995,509.68 × 243,245.08 - Step 4: Simplify right side
664,067.62x = 242,152,831,752.37 - Step 5: Solve for x
x = 242,152,831,752.37/664,067.62 - Step 6: Final answer
x = 364,650.86
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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.